saitou kichisuke 斎藤吉助

… Alternative Names

Researcher Number	30018949
External Links
Affiliation (Current)	2019: 新潟大学, 自然科学系, フェロー
Affiliation (based on the past Project Information) *help	2014 – 2017: 新潟大学, 自然科学系, フェロー 2005 – 2014: Niigata University, Institute of Science of Technology, Professor, 自然科学系, 教授 1987 – 2005: 新潟大学, 理学部, 教授
Review Section/Research Field	Principal Investigator 解析学 / Basic analysis / Basic analysis Except Principal Investigator Basic analysis / 解析学 / Basic analysis / 代数学・幾何学 / General mathematics (including Probability theory/Statistical mathematics) / Geometry
Keywords	Principal Investigator 作用素環 / James定数 / von Neumann-Jordan定数 / バナッハ空間 / smoothness / 一様凸性 / 不変部分空間 / von Neumann-Jordan constant / 三角不等式 / absolute norm … More Except Principal Investigator fixed point property / weak nearly uniform smoothness / 不変部分空間 / バナッハ空間のψ直和 / sharp triangle inequality / absolute norm / ブルゲン環 / バナッハ環 / ブラシュケ積 / uniform non-l^n_1-ness / スペクトル / convex function / geometric constant / von Neumann algebra / invariant subspace / Banach space / 可換Banach環 / 極大イデアル空間 / James定数 / aspherical多様体 / ψ-direct sum of Banach spaces / commutative Banach algebras / 作用素環 / sharp uniform convexity / commutative Banach algebra / コロフキンの定理 / 凸関数 / Fourier multiplier / 関数解析 / semigroup / Banach spaces / composition operator / Hilbert spaces(ヒルベルト空間) / q-uniform convexity / バナッハ空間の幾何学的定数 / spectrum / 作用関数 / type-cotype / 多目的数理計画理論 / von Neumann-Jordan定数 / strong type-cotype / ring homomorphism / analytic subalgebra / maximality / analytic crossed products(解析的接合積) / 等距離写像 / normal structure / バナッハ空間の幾何学 / invariant subspace(不変部分空間) / Hanner-type inequality / Jones index / Banach space geometry / 変換群 / バナッハ空間 / uniform non-squareness / crossed product / 解析関数空間 / p-uniform smoothness / バナッハ空間のφ直和 / 不動点性 / modulus of convexity / gyrovector space / 閉イデアル / Von Neumann-Jordan型定数 / Schrodinger operators / 最適化理論 / entropy / イオン・ノイマン代数 / uniform non-square性 / Weak nearly uniform smoothness / uniform non-1^n_1-ness / ゲ-ム理論 / 拡散方程式 / WN uniform smoothness / 凸解析理論 / 発展方程式 / Microlocal analysis / アインシュタイン空間 / 等距離同形写像 / von Neumannm algebra / 非有界作用素環 / strong random Clarkson不等式 / 情報力学 / Toeplitz作用素 / キーワード8作用関数 / Composition operator / NJ constant / ダイナミック・ゲ-ム / Furuta inequality / banach space / 非線形関数解析 / Bn-convexity / [ell]_1 type norm / ホイヘンスの原理 / 末梢スペクトル / data compression / 情報幾何学 / factorization theorem / 等質空間 / 確率論 / バナッハ空間の直和 / 関数環 / H^∞-最適制御 / スカラー曲率 / 環準同形写像 / 概ケーラー多様体 / locally compact abelian group / 関数空間 / Loewner-Heinz inequality / w.nearly unif.smoothness / norm inequality / Banach空間のψ-直和 / operating function / 可換バナッハ環 / フィンスラー計量 / partial [ell]_1 norm / Quantum groups / Evolution equation / order preserving / C*環 / ラグランジアン力学系 / Birkhoff 直交 / ring homomorphisms / Thmpson距離 / 非有界微分子 / Geometry of Banach space / ダグラス環 / 代数方程式 / 局所コンパクトabel群 / direct sum / inequality / ト-ラス作用 / 有界解析関数 / operator theory / アスフェリカル多様体 / 測度 / 概複素構造 / James constant / von Neumann Jordann 定数 / Gleason part / φ-direct sum of Banach spaces / strong type p / decomposable作用素 / uniform non [ell]^n 1-ness / decomposable operator / 調和写像 / 正値可逆元 / 非可換Lpー空間 / リーマン計量 / キーワード3自然なスペクトル / typ-cotype / 佐藤超関数 / キーワード4Fourier multiplier / Korovkin type theorem / Karamata / Blaschke product / norm inequalitiy / Apostol algebra / James型定数 / 無限次元リー群、リー環 / CRー構造 / gyrogroup / ultraseparating / 佐藤の超関数 / 超分離性 / キーワード6Douglas環 / 密度関数 / 幾何学的方程式 / 曲率斉次空間 / 再生核Hilbert空間 / レビ問題 / コロフキン型定理 / operator inequality / B_n-convexity / 幾何学的定数 / データ圧縮 / ジョーンズの指数 / uniform non [ell]^n_1-ness / maximal ideal space / 概ケ-ラ-多様体 / random Clarkson不等式 / キーワード2Wiener-Pitt現象 / 量子群とその表現 / partial [ell]_1-norm / 定曲率空間 / Convex function / uniform non-[ell]-n_1性 / 失役点 / 概ケーラー空間 / 国際情報交換 / uniform non[ell]^n_l-ness / Schur / algebraic equations / キーワード7decomposable作用素 / 直和 / テープリッツ作用素 / singular inner function / ユニタリー群 / operating functions / von Neumann-Jordan型定数 / 解析的接合積 / BKW-作用素 / semi group / リ-群 / リー群 / 量子情報 / 代数構造 / Wlener-Pitt現象 / Radon 空間 / Spaces of analytic functions / compact mapping / 楕円関数 / マルコフ決定過程 / コンパクト写像 / 弱uniform smooth性 / 関数方程式論 / random Clarkson inequality / エントロピー / 対称空間上の調和解析 / James type constant / Apostol環 / maximal ideal spaces / Hanner型不等式 / 有界解析関数環 / 量子系のエントロピー理論 / 合成作用素 / Infinite-dimensional Lie groups and Lie algebras / reproducing kernel Hilbert space / キーワード1局所コンパクトabel群 / Completely positive maps / グリースン部分 / Hardy-Littlewood-Polya / 最適解 / テプリッツ作用素 / ハ-ディ空間 / 極小曲面 / ケーラー多様体 / BKW作用案 / Sharp mean inequality / composition operators / von Neumann-Jordan type constant / 曲面論 / キーワード5Apostol環 / Entropies of quantum systems / quantum information / シュレデインガー作用素 / modulus of smoothness / ハンケル作用素 / 特異内部関数 / 完全正値写像 / 力学系 / Wiener-Pitt現象 / Wiener-Pitt phenomenum / function spaces / commtative Banach algebra / bounded analytic function / アインシュタイン多様体 / ψ-direct sum / m人ゲーム / function algebras Less

Geometric constants of Banach Spaces and their applicationsOngoing
- Principal Investigator
  
  小室直人
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Hokkaido University of Education
バナッハ空間の幾何構造の研究とその応用Principal InvestigatorOngoing
- Principal Investigator
  
  斎藤吉助
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Research on geometric structures of Banach and function spaces with direct sums
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shinshu University
Various constants and norm inequalities in Banach spaces and its applicationsPrincipal Investigator
- Principal Investigator
  
  SAITO Kichisuke
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Research on Jordan type model theory of weighted composition operators on Hilbert spaces
- Principal Investigator
  
  Watanabe Keiichi
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Research on geometric structures of Banach and function spaces with application of their [psi]-direct sums
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shinshu University
Study on preserver problems on Banach alebras
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
On many approaches of the invariantsubspace problem in Hilbert spaces
- Principal Investigator
  
  OHWADA Tomoyoshi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shizuoka University
The study of norm structure and various constants of Banach spaces, and its applicationsPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-Suke
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Research on geometric structures of Banach and function spaces with applications
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu Institute of Technology
Study on algebraic properties of maps between Banach algebras which preserve topological quantities
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
The structure of invariant subspaces in Hilbert spaces and related topics
- Principal Investigator
  
  OHWADA Tomoyoshi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shizuoka University
  Tsuruoka National College of Technology
The form of unit balls and the constants of Banach spaces and their applicationsPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
RESEARCH ON GEOMETRIC STRUCTURES OF BANACH AND FUNCTION SPACES AND ψ-DIRECT SUMS
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu Institute of Technology
Research on algebraic equations with coefficients in Banach algebras
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Several constants of Banach spaces and its applicationPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
RESEARCH ON GEOMETRY OF BANACH AND FUNCTION SPACES AND INEQUALITIES
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  KYUSHU INSTITUTE OF TECHNOLOGY
The norm structure of Banach spaces and its application.Principal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
Research on automatic linearities for ring homomorphisms on commutative Banach algebras
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
RESEARCH ON GEOMETRIC STRUCTURES OF BANACH AND FUNCTION SPACES AND APPLICATIONS
- Principal Investigator
  
  KATO Mikio
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Kyushu Institute Of Technology
Von Neumann-Jordan constant of Banach spaces and its applicationPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
Research on operating functions on function spaces
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
Research on families of functions determining structures of spaces of analytic functions
- Principal Investigator
  
  IZUCHI Keiji
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
Application of entropy theory to the problem of data compression
- Principal Investigator
  
  AKASHI Shigeo
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  NIIGATA UNIVERSITY
The structure of Hilbert modules over operator algebras and its applicationPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
Research on operators with natural spectrum
- Principal Investigator
  
  HATORI Osamu
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
作用素環の手法による作用素と不変部分空間の研究Principal Investigator
- Principal Investigator
  
  斎藤吉助
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
多変数Hardy空間上のToeplitz型作用素と不変部分空間の相互関係
- Principal Investigator
  
  泉池敬司
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
トーラス上の不変部分空間の構造
- Principal Investigator
  
  泉池敬司
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
微分可能多様体上の幾何学的諸構造に関する研究
- Principal Investigator
  
  関川浩永
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Niigata University
作用素論的手法による解析関数空間の構造の研究
- Principal Investigator
  
  泉池敬司
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
作用素環の手法による作用素の構造の研究とその応用Principal Investigator
- Principal Investigator
  
  斎藤吉助
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
最適化基礎理論の数学的手法による研究
- Principal Investigator
  
  田中謙輔
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Niigata University
多様体上の幾何学的諸構造に関する研究
- Principal Investigator
  
  関川浩永
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Niigata University
CR構造の局所埋め込み問題について
- Principal Investigator
  
  渡辺誠治
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
多様体の幾何学
- Principal Investigator
  
  渡部剛
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Niigata University
作用素環における散乱理論の研究とその応用Principal Investigator
- Principal Investigator
  
  斎藤吉助
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
STUDIES ON FUNCTIONAL AND REAL ANALYSES VIA UNIVERSAL AND UNIFIED APPROACH
- Principal Investigator
  
  OKAYASU Takateru
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  解析学
- Research Institution
  Yamagata University
ゲ-ム理論の数学的手法による研究
- Principal Investigator
  
  田中謙輔
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Niigata University
CR構造の局所埋め込み問題について
- Principal Investigator
  
  赤堀隆夫
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University
Co-Operative research of Recent Topics in Operator AlgebrasPrincipal Investigator
- Principal Investigator
  
  SAITO Kichi-suke
- Project Period (FY)
  1990 – 1991
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  解析学
- Research Institution
  Niigata University
微分可能多様体上の幾何学
- Principal Investigator
  
  SEIKIGAWA Kouei
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Niigata University
多様体の幾何学
- Principal Investigator
  
  渡部剛
- Project Period (FY)
  1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Niigata University
作用素環上の自己同型群の構造とその応用Principal Investigator
- Principal Investigator
  
  斎藤吉助
- Project Period (FY)
  1987
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Niigata University

[Journal Article] A sufficient condition that J(X^*) = J(X) holds for a Banach space X2018
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Tokyo J. Math.
  
  Volume: ---
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] A sufficient condition that J(X*)=J(X) holds for a Banach space X2018
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Tokyo J. Math.
  
  Volume: 掲載確定
- Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05287
[Journal Article] A sufficient condition that J(X^*)=J(X) holds for a Banach space X2018
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Tokyo J. Mathematics
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Symmetric points for (strong) Birkhoff orthogonality in von Neumann algebras with applications to preserver problems2018
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  J. Mathematical Analysis and Applications
  
  Volume: 463 Pages: 1109-1131
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Symmetric points for (strong) Birkhoff orthogonality in von Neumann algebras with applications to preserver problems2018
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  J. Math. Anal. Appl.
  
  Volume: 463 Pages: 1109-1131
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Geometric constants of π/2-rotation invariant norms on R^22017
- Author(s)
  Yukino Tomizawa, Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Ann. Funct. Anal.
  
  Volume: 8 Pages: 215-230
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] New geometric notions of Banach spaces using ψ-direct sums2017
- Author(s)
  Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Linear and Nonlinear Analysis
  
  Volume: 3 Pages: 311-320
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Geometric constants of $\pi/2$ -rotation invariant norms on $\mathbb{R}^{2}$2017
- Author(s)
  Yukino Tomizawa, Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Annals of Functional Analysis
  
  Volume: 8 Pages: 215-230
- DOI
  10.1215/20088752-0000007x
- Open Access / Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16J01162, KAKENHI-PROJECT-16K05212, KAKENHI-PROJECT-17K05287
[Journal Article] Geometric constants of Banach spaces and the matrix norms2017
- Author(s)
  斎藤吉助, 小室直人, 田中亮太朗
- Journal Title
  
  数理研講究禄
  
  Volume: 2033 Pages: 101-105
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] A Comparison Between James and von Neumann?Jordan Constants2017
- Author(s)
  Komuro Naoto, Mitani Ken-Ichi, Saito Kichi-Suke, Tanaka Ryotaro, Tomizawa Yukino
- Journal Title
  
  Mediterranean Journal of Mathematics
  
  Volume: 14 Pages: 1-13
- DOI
  10.1007/s00009-017-0968-9
- Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05212, KAKENHI-PROJECT-17K05287, KAKENHI-PROJECT-16J01162
[Journal Article] On the class of Banach spaces with James constant √2, III2017
- Author(s)
  Komuro Naoto、Saito Kichi-Suke、Tanaka Ryotaro
- Journal Title
  
  Mathematical Inequalities & Applications
  
  Volume: 20 Pages: 865-887
- DOI
  10.7153/mia-20-55
- Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05287
[Journal Article] A sufficient condition that J(X^*)=J(X) holds for a Banach space X2017
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: 印刷中
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] On the class of Banach spaces with James constant √2 III2017
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Math. Inequal. Appl.
  
  Volume: 20 Pages: 865-887
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] A sufficient condition that J(X^*)=J(X)　holds for a Banach space X2017
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Tokyo J. Math.
  
  Volume: 印刷中
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] 最良のJames定数を持つバナッハ空間の特徴付けとそのLassak問題への応用2017
- Author(s)
  田中亮太朗, 斎藤吉助, 小室直人
- Journal Title
  
  数理研講究禄
  
  Volume: 2041 Pages: 84-91
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the class of Banach spaces with James constant √２ III2017
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Math Inequal Appl
  
  Volume: 印刷中
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] A comparison between James and von Neumann-Jordan constants2017
- Author(s)
  Naoto Komuro,Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka, Yukino Tomizawa
- Journal Title
  
  Mediterr. J. Math.
  
  Volume: 14
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] 2次元ローレンツ空間のJames定数についての最近の発展2017
- Author(s)
  斎藤吉助, 田中亮太朗, 三谷健一
- Journal Title
  
  数理研講究禄
  
  Volume: 2041 Pages: 77-83
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Geometric constants of π/2-rotation invariant norms on R^22017
- Author(s)
  Yukino Tomizawa, Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Ann Funct. Anal.
  
  Volume: 8 Pages: 215-230
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] New geometric notions of Banach spaces using psi direct sums2017
- Author(s)
  Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Linear and Nonlinear Analysis
  
  Volume: 3 Pages: 311-320
- Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05287
[Journal Article] Von Neumann-Jordan constant of l_p-l_q2017
- Author(s)
  三谷健一, 斎藤吉助, 高橋泰嗣
- Journal Title
  
  数理研講究禄
  
  Volume: 2033 Pages: 101-105
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the upper bound of some geometric constants of absolute normalized norms on R^22016
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito
- Journal Title
  
  Mediter J Math
  
  Volume: 13 Pages: 309-322
- DOI
  10.1007/s00009-014-0485-z
- Open Access / Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Dual of extremal absolute norms on R^2 and the James constant2016
- Author(s)
  Masahiro Sato, Naoto Komuro, Ken-ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Banach J. Math. Anal.
  
  Volume: 10 Pages: 251-266
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the von Neumann-Jordan constant of generalied Banas-Fraczek spaces2016
- Author(s)
  Ken-Ichi Mitani, Yasuji Takahashi, Kichi-Suke Saito
- Journal Title
  
  Linear and Nonlinear Analysis
  
  Volume: 2 Pages: 311-316
- Acknowledgement Compliant / Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the class of Banach spaces with James constant sqrt{2}2016
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 289 Pages: 1005-1020
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Dual of extremal absolute norms on R2 and the James constant2016
- Author(s)
  Masahiro Sato, Naoto Komuro, Ken-ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Banach Journal of Mathematical Analysis
  
  Volume: 10 Pages: 251-266
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Dual of extremal absolute norms on R^2 and the James constant2016
- Author(s)
  Masahiro Sato, Naoto Komuro, Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Banach J. Math. Anal.
  
  Volume: 10 Pages: 251-266
- Acknowledgement Compliant / Open Access / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Another approach of extreme norms on R^22016
- Author(s)
  Shunpei Yokoyama, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  J. Nonlinear Convex Analysis
  
  Volume: 17 Pages: 157-165
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the class of Banach spaces with James constant √2　PartII2016
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Mediter J Math
  
  Volume: 13 Pages: 4039-4061
- DOI
  10.1007/s00009-016-0731-7
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the class of Banach spaces with James constant √22016
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Math. Nach.
  
  Volume: 289 Pages: 1005-1020
- DOI
  10.1002/mana.201500238
- Open Access / Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Geometric characterizations of Banach spaces using ψ-direct sums2015
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito
- Journal Title
  
  Proc. 8th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: --- Pages: 351-359
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] When does the equality J(X^*) = J(X) holds?2015
- Author(s)
  Kichi-Suke Saito, Masahiro Sato, Ryotaro Tanaka
- Journal Title
  
  Acta Math. Sinica, (English serires)
  
  Volume: 31 Pages: 1303-1314
- DOI
  10.1007/s10114-015-4539-3
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] A characterization of extreme norms on R^22015
- Author(s)
  横山駿平、斎藤吉助,田中亮太朗
- Journal Title
  
  数理研講究禄
  
  Volume: 1935 Pages: 1-5
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the convexity of von Neumann-Jordan constant2015
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani, Ryotaro Tanaka
- Journal Title
  
  J. Nonlinear Convex Analysis
  
  Volume: 16 Pages: 2263-2277
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Duality of the James constant of Banach spaces2015
- Author(s)
  田中亮太朗、斎藤吉助，佐藤正博
- Journal Title
  
  数理研講究禄
  
  Volume: 1963 Pages: 65-70
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Skewness of absolute normalized norms on R^22015
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Naoto Komuro
- Journal Title
  
  Proc. 8th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: --- Pages: 361-367
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On the convexity of von Neumann-Jordan constant2015
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani and Ryotaro Tanaka
- Journal Title
  
  J. Nonlinear Convex Analysis
  
  Volume: 16(11) Pages: 2263-2268
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540190
[Journal Article] New geometric properties of Banach spaces2015
- Author(s)
  Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Math. Nach.
  
  Volume: 288 Pages: 1163-1178
- DOI
  10.1002/mana.201400180
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On generalized Beckners's inequality2015
- Author(s)
  Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Anal. Funct. Anal.
  
  Volume: 6 Pages: 267-278
- DOI
  10.15352/afa/06-1-20
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Duality of the James constant of Banach spaces2015
- Author(s)
  田中亮太朗，斎藤吉助，佐藤正博
- Journal Title
  
  数理解析研究所講究禄
  
  Volume: 1963 Pages: 65-70
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Recent progress on Beckner inequalities2015
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Journal Title
  
  Proc. 8th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: --- Pages: 505-511
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Convex property of James and von Neumann-Jordan constant of absolute norms on R^22015
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani
- Journal Title
  
  Proc. 8th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: --- Pages: 301-308
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Extremal structure of absolute normalized norms and the skewness2015
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Naoto Komuro
- Journal Title
  
  Linear and Nonlinear Analysis
  
  Volume: 1 Pages: 159-167
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On James constants of two dimensional Lorentz sequence spaces and its dual2015
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  J. Nonlinear Convex Analysis
  
  Volume: 16 Pages: 2269-2277
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] Generalized Beckner's inequalities and its applications to new geometrical properties2015
- Author(s)
  斎藤吉助，田中亮太朗
- Journal Title
  
  数理研講究禄
  
  Volume: 1963 Pages: 108-113
- Data Source
  KAKENHI-PROJECT-15K04920
[Journal Article] On skewness and geometrical constants of Banach spaces2014
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito and Yasuji Takahashi
- Journal Title
  
  Proceedings of the Fourth International Symposium on Banach and Function Spaces 2012
  
  Pages: 337-341
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On skewness and geometrical constants of Banach spaces2014
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV Pages: 337-341
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On the Dunkl-Williams constant of normed linear spaces2014
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV Pages: 343-401
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characterizations of inner product spaces2014
- Author(s)
  Ryotaro Tanaka, Tomoyoshi Ohwada, Kichi-Suke Saito
- Journal Title
  
  Math. Inequal. Appl.
  
  Volume: 17 Pages: 513-520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characterizations of inner product spaces2014
- Author(s)
  Ryotaro Tanaka, Tomoyoshi Ohwada and Kichi-Suke Saito
- Journal Title
  
  Math. Inequal. Appl
  
  Volume: 17, No.2 Pages: 513-520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on finite dimensional normed linear spaces2014
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Journal Title
  
  Proceedings of the Fourth International Symposium on Banach and Function Spaces IV
  
  Pages: 391-401
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characterizations of inner product spaces2014
- Author(s)
  Ryotaro Tanaka, Tomoyoshi Ohwada and Kichi-Suke Saito
- Journal Title
  
  Mathematical Inequalities and Applications
  
  Volume: 17 Pages: 513-520
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400131
[Journal Article] Characterization of the intermediate values of the triangle inequality II2014
- Author(s)
  Hiroshi Sano, Tamotsu Izumida, Ken-Ichi Mitani, Tomoyoshi Ohwada, Kichi-Suke Saito
- Journal Title
  
  Cent. Eur. J. Math.
  
  Volume: 12 Pages: 778-786
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characteriza- tions of inner product spaces2014
- Author(s)
  R. Tanaka, T. Ohwada and K.-S. Saito
- Journal Title
  
  Math. Inequal. Appl
  
  Volume: Vol. 17 Pages: 513-520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] Characterization of the intermediate values of the triangle inequality II2014
- Author(s)
  Hiroshi Sano, Tamotsu Izumida, Ken-Ichi Mitani, Tomoyoshi Ohwada and Kichi-Suke Saito
- Journal Title
  
  Cent. Eur. J. Math
  
  Volume: 12, no.5 Pages: 778-786
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another approach to characterizations of generalized triangle inequalities in normed spaces2014
- Author(s)
  Tamotsu Izumida, Ken-Ichi Mitani, Kichi-Suke Saito
- Journal Title
  
  Central European Jornal of Mathematics
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] How to calculate James constants of Banach spaces2014
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ken-ichi Mitani
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV Pages: 211-224
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Orthonormal bases and a structure of finite dimensional normed linear spaces2014
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Journal Title
  
  Banach J. Math. Anal
  
  Volume: 8, no.1 Pages: 89-97
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Orthonormal bases and a structure of finite dimensional normed linear spaces2014
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Journal Title
  
  Banach J. Math. Anal.
  
  Volume: 8 Pages: 89-97
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characterizations of inner product spaces2014
- Author(s)
  R, Tanaka, T. Ohwada and K.-S. Saito
- Journal Title
  
  Math. Inequal. Appl.
  
  Volume: 17 Pages: 513-520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] On generalized Beckners's inequality2014
- Author(s)
  Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Anal. Funct. Anal
  
  Volume: 7 Pages: 543-549
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On the Dunkl-Williams constant of normed linear spaces2014
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Proceedings of the Fourth International Symposium on Banach and Function Spaces IV
  
  Pages: 343-351
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on finite dimensional normed linear spaces2014
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV Pages: 391-401
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] How to calculate James constants of Banach spaces2014
- Author(s)
  Kichi-Suke Saito, Naoto Komuro and Ken-ichi Mitani
- Journal Title
  
  Proceedings of the Fourth International Symposium on Banach and Function Spaces IV
  
  Pages: 211-224
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On generalized Beckners's inequality2014
- Author(s)
  Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Anal. Funct. Anal.
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Skewness and geometrical constant of Banach spaces2013
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito and Yasuji Takahashi
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis II
  
  Pages: 23-27
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On the calculation of the Dunkl-Williams constant of normed linear spaces2013
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Central European Jornal of Mathematics
  
  Volume: 11 Pages: 1212-1227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On skewness and geometrical constants of Banach spaces2013
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Skewness and James constant of Banach spaces2013
- Author(s)
  K.-I. Mitani, K.-S. Saito and Y. Takahashi
- Journal Title
  
  J. Nonlinear and Convex Anal
  
  Volume: Vol. 14 Pages: 115-122
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] On the James constant of extreme absolute norms on R^2 and their dual norms2013
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-ichi Mitani
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis I
  
  Pages: 255-268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Skewness and James constant of Banach spaces2013
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito and Yasuji Takahashi
- Journal Title
  
  J. Nonlinear and Convex Analysis
  
  Volume: 14, No.1 Pages: 115-122
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Kolomogorov's theorem for a properly infinite von Neumann algebra2013
- Author(s)
  Kohei Nakade, Tomoyoshi Ohwada and Kichi-Suke Saito
- Journal Title
  
  J. Math. Anal. Appl
  
  Volume: 401 Pages: 289-292
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on extreme norms on R^22013
- Author(s)
  Kichi-Suke Saito, Ken-ichi Mitani and Naoto Komuro
- Journal Title
  
  Hokkaido Math. J
  
  Volume: 42 Pages: 1-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Characterizations of regular norms on R^n2013
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Journal Title
  
  Nihonkai Math. J
  
  Volume: 24 Pages: 103-120
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on extreme norms on R^22013
- Author(s)
  Kichi-Suke Saito, Ken-ichi Mitani, Naoto Komuro
- Journal Title
  
  Hokkaido Math. J.
  
  Volume: 42 Pages: 1-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On the James constant of extreme absolute norms on R^2 and their dual norms2013
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: I Pages: 255-268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another approach to Becner's inequality2013
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito, Naoto Komuro
- Journal Title
  
  J. Math. Inequal.
  
  Volume: ---
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on finite dimensional normed linear spaces2013
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Skewness and James constant of Banach spaces2013
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Journal Title
  
  J. Nonlinear and Convex Analysis
  
  Volume: 14 Pages: 115-122
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another approach to Becner's inequality2013
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito, Naoto Komuro
- Journal Title
  
  J. Math. Inequal.
  
  Volume: 7 Pages: 543-549
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A note on extreme norms on R22013
- Author(s)
  K.-S. Saito, K.-I. Mitani, N. Komuro
- Journal Title
  
  Hokkaido Math. J.
  
  Volume: 42 Pages: 1-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] How to calculate geometric constants of Banach apaces2013
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis II
  
  Pages: 193-203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Kolomogorov's theorem for a properly infinite von Neumann algebra2013
- Author(s)
  Kohei Nakade, Tomoyoshi Ohwada, Kichi-Suke Saito
- Journal Title
  
  J. Math. Anal. Appl.
  
  Volume: 401 Pages: 289-292
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Characterizations of regular norms on R^n2013
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Journal Title
  
  Nihonkai Math. J.
  
  Volume: 24 Pages: 103-120
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another approach to Becner's inequality2013
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito and Naoto Komuro
- Journal Title
  
  J. Math. Inequal
  
  Volume: 7, no.3 Pages: 543-549
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Geometrical constants and characterizations of inner product spaces2013
- Author(s)
  Ryotaro Tanaka, Tomoyoshi Ohwada, Kichi-Suke Saito
- Journal Title
  
  Math. Inequal. Appl.
  
  Volume: ---
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] How to calculate James constants of Banach spaces2013
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ken-ichi Mitani
- Journal Title
  
  Banach and Function Spaces
  
  Volume: IV
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Skewness and geometrical constant of Banach spaces2013
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: II Pages: 23-27
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On the calculation of the Dunkl-Williams constant of normed linear spaces2013
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Central European Jornal of Mathematics
  
  Volume: 11
- DOI
  10.2478/s11533-013-0238-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540190
[Journal Article] How to calculate geometric constants of Banach apaces2013
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and Convex Analysis
  
  Volume: II Pages: 193-203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] The Dunkl-Williams constant of symetric octagonal norms on R^22012
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito, Ryotaro Tanaka
- Journal Title
  
  Nihonkai Math. J.
  
  Volume: 23 Pages: 93-113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Every n-dimensional normed space is the space R n endowed with a normal norm2012
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Journal Title
  
  J. Inequal. Math
  
  Volume: 284 Pages: 5-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] A Dunkl-Williams inequality and the generalized operator version2012
- Author(s)
  Kichi-Suke Saito and Masaru Tominaga
- Journal Title
  
  International Series of Newmerical Mathematics
  
  Volume: 161 Pages: 137-148
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540190
[Journal Article] The Dunkl-Williams constant of symetric octagonal norms on R^22012
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Journal Title
  
  Nihonkai Math. J
  
  Volume: 23, No.2 Pages: 93-113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] The Dunkl-Williams constant of symmetric octagonal norms on R^22012
- Author(s)
  Hiroyoshi Mizuguchi and Kichi-Suke Saito
- Journal Title
  
  Nihonkai Math. J
  
  Volume: vol.23 Pages: 93-113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540178
[Journal Article] A Dunkl-Williams inequality and the generalized operator version2012
- Author(s)
  K-S. Saito
- Journal Title
  
  International Series of Numerical Mathematics
  
  Volume: 161 Pages: 137-148
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] How to calculate geometric constants of Banach spaces2012
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Procedings of NACA2011
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540190
[Journal Article] A Dunkl-Williams inequality and the generalized operator version2012
- Author(s)
  Kichi-Suke Saito and Masaru Tominaga
- Journal Title
  
  International Series of Neumerical Mathematics
  
  Volume: 161 Pages: 137-148
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Kolmogorov's factorization theorem for von Neumann algebras2012
- Author(s)
  K. Nakade, T. OHWADAand K.-S. SAITO
- Journal Title
  
  J. Math. Anal. Appl
  
  Volume: Vol. 401 Pages: 289-292
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Every n-dimensional normed space is the space R^n endowed with a normal norm2012
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Journal Title
  
  J. Inequal. Math.
  
  Volume: 2012
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Schatten p-norm inequalities related to an extended operator parallelogram law2011
- Author(s)
  M. S. Moslehiam, M. Tominaga, K.-S. Saito
- Journal Title
  
  Linear Algebras and Applications
  
  Volume: 435 Pages: 823-829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the James constant2011
- Author(s)
  N.Komura, K.-S.Saito, K.Mitani
- Journal Title
  
  Applied Math. Computation
  
  Volume: 217 Pages: 10035-10048
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the James constant2011
- Author(s)
  N. Komuro, K. S. Saito, K.-I. Mitani
- Journal Title
  
  Applied Math. Computation
  
  Volume: 217 Pages: 10035-10048
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540216
[Journal Article] Some geometrical constants of absolute normalized norms on $￥Bbb R^2$2011
- Author(s)
  Hiroyasu Mizuguchi and Kichi-Suke Saito
- Journal Title
  
  Ann. Funct. Anal
  
  Volume: vol.2 Pages: 22-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540178
[Journal Article] The monotonicity of absolute normalized norms on C^n2011
- Author(s)
  K.Mitani, K.-S.Saito, N.Komura
- Journal Title
  
  Nihonkai Math.J
  
  Volume: 22 Pages: 91-102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Schatten p-norm inequalities related to an extended operator parallelogram law2011
- Author(s)
  M.S.Moslehian, M.Tominaga, K.-S.Saito
- Journal Title
  
  Linear Algebras and Applications
  
  Volume: 435 Pages: 823-829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Another aspect of triangle inequality2011
- Author(s)
  Kichi-Suke Saito, Runling An, Hiroyoshi Mizuguchi and Ken-ichi Mitani
- Journal Title
  
  ISRN Mathematical Analysis
  
  Volume: Volume 2011 Pages: 5-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] The monotonicity of absolute normalized norms on C^n2011
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito and Naoto Komuro
- Journal Title
  
  Nihonkai Math. J
  
  Volume: 22, no. 2 Pages: 91-102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Some geometrical constants of absolute normalized norms on R^22011
- Author(s)
  Hiroyasu Mizuguchi and Kichi-Suke Saito
- Journal Title
  
  Ann. Funct. Anal
  
  Volume: 2, no.2 Pages: 22-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Some geometrical constants of absolute normalized norms on R^22011
- Author(s)
  H.Mizuguchi, K.-S.Saito
- Journal Title
  
  Ann.Funct.Anal.
  
  Volume: 2 Pages: 22-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Schatten p-norm inequalities related to an extended operator parallelogram law2011
- Author(s)
  M. S. MOSLEHIAN, M. TOMINAGA and K.-S. SAITO
- Journal Title
  
  Linear Algebras and Applications
  
  Volume: Vol. 435 Pages: 823-829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Schatten p-norm inequalies related to an extended operator parallelogram law2011
- Author(s)
  Mohammad S. Moslehiam, Masaru Tominaga and Kichi-Suke Saito
- Journal Title
  
  Linear Algebras and Applications
  
  Volume: 435 Pages: 823-829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Schatten p-norm inequalies related to an extended operator parallelogram law2011
- Author(s)
  Mohammad S. Moslehiam, Masaru Tominaga, Kichi-Suke Saito
- Journal Title
  
  Linear Algebras and Applications Vol.455
  
  Pages: 823-829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the James constant2011
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-ichi Mitani
- Journal Title
  
  Applied Math. Computation
  
  Volume: 217 Pages: 10035-10048
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] On sharp triangle inequalities in Banach spaces and its applications2011
- Author(s)
  K.-S.Saito, K.Mitani
- Journal Title
  
  Banach and Function Spaces III
  
  Volume: 3 Pages: 295-304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] On sharp triangle inequalities in Banach spaces and its application2011
- Author(s)
  Kichi-Suke Saito and Ken-Ichi Mitani
- Journal Title
  
  Banach and Function Spaces III
  
  Pages: 295-304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Extremal structure of absolute normalized norms on R^2 III2011
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-ichi Mitani
- Journal Title
  
  Banach and Function Spaces III
  
  Pages: 271-279
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another aspect of triangle inequality2011
- Author(s)
  K.-S.Saito, R.An, H.Mizuguchi, K.Mitani
- Journal Title
  
  ISRN Math.Anal.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Another aspect of triangle inequality2011
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  ISRN Mathematical Analysis
  
  Volume: 2011
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] Another aspect of triangle inequality2011
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  ISRN Mathematical Analysis
  
  Volume: 2011
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the von Neumann-Jordan constant2010
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani
- Journal Title
  
  J.Math.Anal.Appl. Vol.370
  
  Pages: 101-106
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] The Dunkl-Wilhams type inequality for absolute value operators2010
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Linear Alg.Appl.
  
  Volume: 432 Pages: 3258-3264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] The Dunkl-Williams type inequality for ansolute value operators2010
- Author(s)
  Kichi -Suke Saito
- Journal Title
  
  Linear Alg.Appl. 432
  
  Pages: 3258-3264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Sharp mean triangle inequality2010
- Author(s)
  M.Fujii, M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Math.Inequal.Appl.
  
  Volume: 13 Pages: 743-752
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the von Neumann-Jordan constant2010
- Author(s)
  N.Komuro, K.-S.Saito, K.Mitani
- Journal Title
  
  J.Math.Anal.Appl.
  
  Volume: 370 Pages: 101-106
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Uniform non-1^n-ness of ψ-directsums of Banach spaces X+_ψY, J. Nonlinear Anal.2010
- Author(s)
  Mikio Kato, Kichi-Suke Saito, Takayuki Tamura
- Journal Title
  
  Convex Anal. Vol.11, No.1
  
  Pages: 13-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Uniform non-l_1 ^n-ness of ψ-direct sums of Banach spaces X+ψY2010
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  J.Nonlinear Analysis and Convex Analysis
  
  Volume: 11 Pages: 13-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] The Dunkl-Williams type inequality for absolute value operator2010
- Author(s)
  K.-S.Saito, M.Tominaga
- Journal Title
  
  Linear Alg.Appl.
  
  Volume: 432 Pages: 3258-3264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] 作用素に対するDunkl-Williams型不等式について2010
- Author(s)
  斎藤吉助
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 1678 Pages: 47-54
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Uniform non-[ell]^n_1-ness of Ψ-direct sums of Banach spaces2010
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  J.Nonlinear Convex Anal.
  
  Volume: 11 Pages: 13-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] A note on Clarkson's inequality in the real case2010
- Author(s)
  H.Mizuguchi, K.-S.Saito
- Journal Title
  
  J.Math.Inequal.
  
  Volume: 4 Pages: 129-132
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] Sharp mean triangle inequality2010
- Author(s)
  Masatoshi Fujii, Mikio Kato, Kichi-Suke Saito, Takayuki Tamura
- Journal Title
  
  Math. Inequal. Appl. Vol.13
  
  Pages: 743-752
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Sharp mean triangle inequality2010
- Author(s)
  M.Fujii, M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Math.Inequal.Appl.
  
  Volume: 13 Pages: 743-752
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540184
[Journal Article] 三角不等式についての最近の結果とその応用2010
- Author(s)
  斎藤吉助
- Journal Title
  
  国際数理科学会報
  
  Volume: 69 Pages: 1-13
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Sharp triangle inequalities for Banach spaces II2010
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito
- Journal Title
  
  J. Inequal. Appl. Vol.2010 Article ID 323609
  
  Pages: 17-17
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] The Dunkl-Williams type inequality for absolute value operators2010
- Author(s)
  Kichi-Suke Saito, Masaru Tominaga
- Journal Title
  
  Linear Alg. Appl. Vol.432
  
  Pages: 3258-3264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Sharp triangle inequalities for Banach spaces II2010
- Author(s)
  K.-I.Mitani, K.-S.Saito
- Journal Title
  
  J.Inequal.Appl.
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Sharp mean triangle inequality2010
- Author(s)
  藤井正敏, 加藤幹雄, 斎藤吉助, 田村高幸
- Journal Title
  
  Math.Inequal.Appl. 13
  
  Pages: 743-752
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Uniform non-l^n_1-ness of ψ-direct sums of Banach spaces2010
- Author(s)
  加藤幹雄, 斎藤吉助, 田村高幸
- Journal Title
  
  J.Nonlinear Convex Anal. 11
  
  Pages: 13-33
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Uniform non-[e11]^n_1-ness of φ-direct sums of Banach spaces2010
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Journal of Nonlinear and Convex Analysis 11
  
  Pages: 13-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] The new geometrical constant of Banach spaces and its applications2009
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito
- Journal Title
  
  Commentationes Mathematycznego Vol.49, No.1
  
  Pages: 3-13
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Dual of two dimensional Lorentz sequence spaces2009
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito
- Journal Title
  
  Nonlinear Analysis Vol.71
  
  Pages: 5238-5247
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Dual of two dimensional Lorentz sequence spaces2009
- Author(s)
  K.-I.Mitani, K.-S.Saito
- Journal Title
  
  Nonlinear Anal. 71
  
  Pages: 5238-5247
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] On sharp triangle inequalities in Banach spaces and their application2009
- Author(s)
  K.-S.Saito, K.-I.Mitani
- Journal Title
  
  In : "Banach and Function Spaces III", (Proceedings of the Third International Symposium on Banach and Function Spaces 2009, Kitakyushu, Japan, Yokohama Publishers)(eds. M.Kato, L.Maligranda and T. Suzuki) in print.
  
  Pages: 295-304
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] On the calculation of the James constant of Lorenrz sequence spaces2008
- Author(s)
  K-I.Mitani, K-S.Saito, T.Suzuki
- Journal Title
  
  Journal of Mathematical Analysis and Applications 343
  
  Pages: 310-314
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A new geometrical constant and φ-direct sums of Banach spaces2008
- Author(s)
  K-I.Mitani, K-S.Saito
- Journal Title
  
  Proceedings of the International Symposium on Banach and Function Spaces II
  
  Pages: 385-391
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A new geometrical constant and ψ-direct sums of Banach spaces2008
- Author(s)
  K-I. Mitani, K-S. Saito
- Journal Title
  
  Proceedings of the Second International Symposium on Banach and Function Spaces 2006
  
  Pages: 385-391
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Sharp triangle inequalityの一般化について2008
- Author(s)
  田村高幸, 藤井正敏, 加藤幹雄, 斎藤吉助
- Journal Title
  
  京都大学数理解析研究所講究録 1615
  
  Pages: 75-79
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] The new geometrical constant and 51-direct sums of Banach spaces2008
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito
- Journal Title
  
  Banach and Function spaces II
  
  Pages: 385-391
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] Certain invariant subspace stru cture of L^2(T^2)II2008
- Author(s)
  Hasegawa, G. Ji, T. Ohwada and K.-S. Saito
- Journal Title
  
  Hokkaido Mathemat ical Journal 37
  
  Pages: 493-505
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Certain invariant subspace structure of L^2(T^2)II2008
- Author(s)
  A. Hasegawa, G. Ji, T. Ohwada, K. -S. Saito
- Journal Title
  
  Hokkaido Mathemat ical Journal 37
  
  Pages: 493-505
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] The new geome trical constant and $\psi$-direct sums of Banach spaces2008
- Author(s)
  K. -I. Mitani, K. -S. Saito
- Journal Title
  
  Banach and Function on spaces 2
  
  Pages: 385-391
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] On the calculation of the James constant of Lorenrz sequence spaces2008
- Author(s)
  K-I. Mitarsi, K-S. Saito, T. Suzuki
- Journal Title
  
  Journal of Mathematical Analysis and Applications 343
  
  Pages: 310-314
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] On the calculation of the James constant of Lorenrz sequence spaces2008
- Author(s)
  K.-I. Mitani, K.-S. Saito and T. Su zuki
- Journal Title
  
  Journal of Mathematical Analysis and Applications 343
  
  Pages: 310-314
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] On the calculation of the James constant of Lorenrz sequence spaces2008
- Author(s)
  K. -I. Mitani, K. -S. Saito, T. Suzuki
- Journal Title
  
  Journal of Mathematical Analys is and Appl ications 343
  
  Pages: 310-314
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] On the calculation of the James constant of Lorentz sequence spaces2008
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Tomonari Suzuki
- Journal Title
  
  J.Math.Anal.Appl. Vol.343
  
  Pages: 310-314
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] 三角不等式の精密化とその応用2007
- Author(s)
  斉藤吉助, 三谷健一, 加藤幹雄, 田村高幸
- Journal Title
  
  京都大学数理解析研究所講究録 1570
  
  Pages: 61-68
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A note on geometrical properties of Banach spaces using ψ-direct sums2007
- Author(s)
  K.Mitani, K-S.Saito
- Journal Title
  
  Journal of Mathematical Analysis and Applications 327
  
  Pages: 898-907
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Sharp triangle inequality and its reverse in Banach spaces2007
- Author(s)
  M. Kato, K-S. Saito, T. Tamura
- Journal Title
  
  Mathematical Inequalities&Applications 10
  
  Pages: 451-460
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Sharp triangular inequalities for Banach spaces2007
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, saito, Mikio, Kato, Takayuki, Tamura
- Journal Title
  
  J. Math. Anal. Math 336
  
  Pages: 1178-1186
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] Sharp and reverse triangular inequalities for Banach spaces2007
- Author(s)
  Mikio, Kato, Kichi-Suke, Saito, Takayuki, Tamura
- Journal Title
  
  Math. Inequal. Appl 10
  
  Pages: 451-460
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] 4-direct sums of Banach spaces and thier applications2007
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito
- Journal Title
  
  Nonlinear Analysis and Convex Analysis
  
  Pages: 367-376
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] On sharp triangle inequalities in Banach spaces2007
- Author(s)
  K-I. Mitani, K-S. Saito, M. Kato, T. Tamura
- Journal Title
  
  Journal of Mathematical Analysis and Anulications 336
  
  Pages: 1178-1186
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A note on geometrical properties of Banach spaces using tf-direct sums2007
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito
- Journal Title
  
  J. Math. Anal. Appl 327
  
  Pages: 898-907
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] A note on geometrical properties of Banach spaces using $\psi$-dicect sums2007
- Author(s)
  K. Mitani and K-S. Saito
- Journal Title
  
  Journal of Mathematical Analysis and Applications 327
  
  Pages: 898-907
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] On generalized t-spaces2007
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito
- Journal Title
  
  Hiroshima Math. J 37
  
  Pages: 1-12
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] A note on geometrical properties of Banach spaces using $\psi$-direct sums2007
- Author(s)
  K. Mitani and K-S. Saito
- Journal Title
  
  Journal of Mathematical Analysis and Applications 327
  
  Pages: 898-907
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Refinement of the triangle ineqaulity and its application2007
- Author(s)
  Kichi-Suke, Saito
- Journal Title
  
  RIMS Kokyuroku(Kyoto University) 1570
  
  Pages: 61-68
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] On sharp triangle inequalities in Banach spaces2007
- Author(s)
  K-I.Mitani, K-S.Saito, M.Kato, T.Tamura
- Journal Title
  
  Journal of Mathematical Analysis and Applications 336
  
  Pages: 1178-1186
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A characterization of B-convexity and Jconvexity of Banach spaces2007
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito
- Journal Title
  
  Banach Journal of Mathematical Analysis 1
  
  Pages: 33-42
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] 三角不等式の精密化とその応用2007
- Author(s)
  斎藤吉助, 三谷健一, 加藤幹雄, 田村高幸
- Journal Title
  
  京都大学数理解析研究所講究録 1570
  
  Pages: 61-68
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Sharp triangle inequality and its reverse in Banach spaces2007
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Mathematical Inequalities & Applications 10
  
  Pages: 451-460
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Commutants of certain analytic operator algebras2006
- Author(s)
  G.Ji, T.Ohwada, K-S.Saito
- Journal Title
  
  Proc. Amer. Math. Soc. 134
  
  Pages: 2975-2982
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Uniform non-l^n_l-ness of direct sums of Banach Spaces2006
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  京都大学数理解析研究所講究録 1520
  
  Pages: 104-108
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Uniform non-1^n_1-ness of direct sums of Banach Spaces2006
- Author(s)
  M. Kato, K.-S. Saito, T. Tamura
- Journal Title
  
  京都大学数理解析研究所講究録 1520
  
  Pages: 104-108
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A note on maximality of analytic crossed products2006
- Author(s)
  T.Ohwada, G.Ji, A.Hasegawa, K-S.Saito
- Journal Title
  
  Journal of Mathematical Analysis and Applications 315
  
  Pages: 216-224
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Commutants of certain analytic operator algebras2006
- Author(s)
  Guoxing, Ji, Tomoyoshi, Ohwada, Kichi-Suke, Saito
- Journal Title
  
  Proc. Amer. Math. Soc 134
  
  Pages: 2975-2982
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] A note on maximality of analytic crossed products2006
- Author(s)
  Tomoyoshi Ohwada, Guoxing Ji, Atsushi Hasegawa, Kichi-Suke Saito
- Journal Title
  
  J.Math.Anal.Appl. 315
  
  Pages: 216-224
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] A note on maximality of analytic crossed products2006
- Author(s)
  T. Ohwada, G. Ji, A. Hasegawa and K.-S. Saito
- Journal Title
  
  Journal of Mathematical Analysis and Applications 315
  
  Pages: 216-224
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] A note on maximality of analytic crossed products2006
- Author(s)
  Tomoyoshi, Ohwada, Guoxing, Ji, Ataishi, Hasegawa, Kichi-Suke, Saito
- Journal Title
  
  J. Math. Anal. Appl 315
  
  Pages: 216-224
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] On the calculation of the James constant of Lorenrz sequence spaces2006
- Author(s)
  Ken-ichi, Mitani, Kichi-Suke, Saito, Tomonari, Suzuki
- Journal Title
  
  J. Math. Anal. Appl 343
  
  Pages: 310-314
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] Commutants of certain analytic operator algebras2006
- Author(s)
  G. Ji, T. Ohwada and K.-S. Saito
- Journal Title
  
  Proceedings of the American Mathematical Society 134
  
  Pages: 2975-2982
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540199
[Journal Article] Uniform non-l^n_1-ness of ψ-direct sums of Banach spaces X【symmetry】_ψ Y2005
- Author(s)
  Takayuki Tamura, Mikio Kato, Kichi-Suke Saito
- Journal Title
  
  RIMS Kokyuroku (Kyoto University) 1452
  
  Pages: 227-232
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] On wandering vector multipliers for unitary groups2005
- Author(s)
  G.Ji, K.-S.Saito
- Journal Title
  
  Proc.Amer.Math.Soc. 133
  
  Pages: 3263-3269
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Smoothness of -direct sums of Banach spaces2005
- Author(s)
  Ken-ich Mitani, S.Oshiro, Kichi-Suke Saito
- Journal Title
  
  Mathematical Inequalities and Applications 8
  
  Pages: 147-157
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Smoothness of ψ-direct sums of Banach spaces2005
- Author(s)
  K.Mitani, S.Oshiro, K.-S.Saito
- Journal Title
  
  Mathematical Inequalities and Applications 8
  
  Pages: 147-157
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Uniform non l^n_1-ness of -direct sums of Banach spaces X Y2005
- Author(s)
  Takayuki Tamura, Mikio Kato, Kichi-Suke Saito
- Journal Title
  
  京都大学数理解析研究所講究録 1452
  
  Pages: 227-232
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Smoothness of ψ-direct sums of Banach spaces2005
- Author(s)
  K.Mitani, S.Oshiro, K.-S.Saito
- Journal Title
  
  Math.Inequal.Appl. 8
  
  Pages: 147-157
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Uniform non-l^n_1-ness of ψ-direct sums of Banach spaces X【symmetry】_ΨY2005
- Author(s)
  T.Tamura, M.Kato, K.-S.Saito
- Journal Title
  
  京都大学数理解析研究所講究録 1452
  
  Pages: 227-232
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Smoothness of ψ-direct sums of Banach spaces2005
- Author(s)
  Ken-ichi Mitani, S.Oshiro, Kichi-Suke Saito
- Journal Title
  
  Mathematical Inequalities and Applications 8
  
  Pages: 147-157
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Uniform non-squareness of psi-direct sums of Banach spaces X Y2004
- Author(s)
  Mikio Kato, Kichi-Suke Saito, Takayuki Tamura
- Journal Title
  
  Mathematical Inequalities and Applications 7
  
  Pages: 429-437
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Absolute norms on C^n and their geometrical structure2004
- Author(s)
  Saito, Kichi-Suke
- Journal Title
  
  Banach and Function Spaces
  
  Pages: 121-144
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Absolute norms on C^n and thier geometrical structure2004
- Author(s)
  Saito, Kichi-Suke
- Journal Title
  
  Banach and Function Spaces
  
  Pages: 121-144
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] The James constant and von Neumann-Jordan constant of absolute norms on R2004
- Author(s)
  K.Mitani, K.-S.Saito
- Journal Title
  
  Banach and Function Spaces
  
  Pages: 315-321
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Absolute norms on C^n and their geometrical structure2004
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Banach and Function Spaces
  
  Pages: 121-144
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Uniform non-squareness of ψ-direct sums of Banach spaces X_ψY2004
- Author(s)
  Mikio Kato, Kichi-Suke Saito, Takayuki Tamura
- Journal Title
  
  Mathematical Inequalities and Applications 7
  
  Pages: 429-437
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] Uniform non-squareness of ψ-direct sums of Banach spaces X 【symmetry】_ψ Y2004
- Author(s)
  Mikio Kato, Kichi-Suke Saito, Takayuki Tamura
- Journal Title
  
  Mathematical Inequalities and Applications 7
  
  Pages: 429-437
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Uniform non-squareness of Ψ-direct sums of Banach spaces X【symmetry】_ΨY2004
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Mathematical Inequalities and Applications 7
  
  Pages: 429-437
- Data Source
  KAKENHI-PROJECT-16540163
[Journal Article] Refined generalizations of the triangle inequality on Banach spaces
- Author(s)
  S. Takahasi, J. M. Rassias, S. Saitoh, Y. Takahashi
- Journal Title
  
  Mathematical Inequalities&Applications (掲載決定)
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Refined generalizations of the triangle inequality on Banach spaces
- Author(s)
  S.Takahasi, J.M.Rassias, S.Saitoh, Y.Takahashi
- Journal Title
  
  Mathematical Inequalities and Applications 掲載予定
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Refined generalizations of the triangle inequality on Banach spaces
- Author(s)
  S.Takahasi, J.M.Rassias, S.Saitoh, Y.Takahashi
- Journal Title
  
  Mathematical Inequalities & Applications (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Commutants of certain analytic operator algebras
- Author(s)
  Guoxing Ji, Tomoyoshi Ohwada, Kichi-Suke Saito
- Journal Title
  
  Proc.Amer.Math.Soc. (in pressed)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540142
[Journal Article] On sharp triangle inequalities in Banach spaces and its application
- Author(s)
  K.-S.Saito, K.-I.Mitani
- Journal Title
  
  Banach and Function Spaces III
  
  Volume: (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Sharp triangle inequality and its reverse in Banach spaces
- Author(s)
  M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Mathematical Inequalities and Applications 掲載予定
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] Sharp triangle inequalities for Banach spaces II
- Author(s)
  K.I.Mitani, K.-S.Saito
- Journal Title
  
  Journal of Inequalities and Applications (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Another approach to characterizations of generalized triangle inequalities in normed spaces
- Author(s)
  Tamotsu Izumida, Ken-Ichi Mitani and Kichi-Suke Saito
- Journal Title
  
  CentralEuropean Jornal of Mathematics
  
  Volume: (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540189
[Journal Article] 作用素に対するDunkl-Williams型不等式について
- Author(s)
  斎藤吉助
- Journal Title
  
  数理研講究録 (掲載決定)
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Dual of two dimensional Lorentz sequence spaces
- Author(s)
  K. -I. Mitani, K. -S. Saito
- Journal Title
  
  Nonlinear Analysis, Series A : Theory, Methods & Applications 掲載決定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Extremal structure of the set of absolute normalized norms on R^2 and the James constant
- Author(s)
  Naoto Komuro, Kichi-Suke Saito, Ken-ichi Mitani
- Journal Title
  
  Applied Math. Computation (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Schatten p-norm inequalies related to an extended operator parallelogram law
- Author(s)
  M.S.Moslehiam, M.Tominaga, K.-S.Saito
- Journal Title
  
  Linear Algebras and Applications
  
  Volume: (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] A note on Clarkson's inequality in the real case
- Author(s)
  H.Mizuguchi, K.-S.Saito
- Journal Title
  
  Journal of Mathematical Inequalities (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Certain invariant subspace structure of L.3-(T1) II
- Author(s)
  Atsushi, Hasegawa, Guoxing, Ji, Tomoyoshi, Ohwada, Kichi-Suke, Saito
- Journal Title
  
  to appear in Hokkaido Math. J
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] Extremal structure of absolute normalized norms on R^2 III
- Author(s)
  N.Komuro, K.-S.Saito, K.-I.Mitani
- Journal Title
  
  Banach and Function Spaces III
  
  Volume: (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] Refined generalizations of the triangle inequality on Banach spaces
- Author(s)
  Sin-ei, Takahasi, J. M., Rassias, Saburo, Saitoh, Yasuji, Takahashi
- Journal Title
  
  to appear in Math. Inequal. Appl
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Journal Article] On sharp triangle inequalities in Banach spaces
- Author(s)
  K.Mitani, K.-S.Saito, M.Kato, T.Tamura
- Journal Title
  
  Journal of Mathematical Analysis and Applications 掲載予定
- Data Source
  KAKENHI-PROJECT-18540185
[Journal Article] A Dunkl-Williams inequality and the generalized operator version
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Proceedings of Inequalities and Application 10
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Journal Article] Sharp mean triangle inequality
- Author(s)
  M.Fujii, M.Kato, K.-S.Saito, T.Tamura
- Journal Title
  
  Mathematical Inequalities and Applications (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540179
[Journal Article] On sharp triangle inequalities in Banach spaces and its application
- Author(s)
  Kichi-Suke Saito
- Journal Title
  
  Proc.Banach and Function space III
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Von Neumann-Jordan constant of generalized Banas-Fraczek spaces2018
- Author(s)
  三谷健一, 斎藤吉助,高橋泰嗣
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] Which dimensional Banach spaes are complicated two or three more?2018
- Author(s)
  斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-17K05287
[Presentation] Which dimensional Banach spaces are complicated two or three more?2018
- Author(s)
  斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] Von Neumann-Jordan constant of generalized Banach-Fraczek spaces2018
- Author(s)
  三谷健一、斎藤吉助、高橋泰嗣
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-17K05287
[Presentation] James定数の行列の表現とその応用2017
- Author(s)
  斎藤吉助，小室直人、田中亮太朗
- Organizer
  日本数学会年会
- Place of Presentation
  首都大学東京(東京都・八王子市)
- Year and Date
  2017-03-24
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the structure of Banach spaces with James constant √22017
- Author(s)
  斎藤吉助, 　小室直人, 　田中亮太朗
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] von Neumann-Jordan constant of [ell]_p-[ell]_q spaces2017
- Author(s)
  三谷健一、斎藤吉助、高橋泰嗣
- Organizer
  研究集会「関数空間の構造とその周辺」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2017-02-06
- Data Source
  KAKENHI-PROJECT-26400131
[Presentation] ２次元ローレンツ空間のJames 定数についての最近の発展2017
- Author(s)
  斎藤吉助, 田中亮太朗, 三谷健一
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府・京都市)
- Year and Date
  2017-02-06
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] More on the class of Banach spaces with James constant root 22017
- Author(s)
  Kichi-Suke Saito, Naoto Komuro and Ryotaro Tanaka
- Organizer
  Nonlineia Analysis and Convex Analysis 2017
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-17K05287
[Presentation] 回転不変ノルムによる幾何学的定数2017
- Author(s)
  冨澤佑季乃、三谷健一、斎藤吉助，田中亮太朗
- Organizer
  日本数学会年会
- Place of Presentation
  首都大学東京(東京都・八王子市)
- Year and Date
  2017-03-24
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] 最良のJames 定数を持つバナッハ空間の特徴付けとそのLassak 問題への応用2017
- Author(s)
  田中亮太朗, 小室直人, 斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府・京都市)
- Year and Date
  2017-02-06
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] von Neumann-Jordan constant of l_p-l_q spaces2017
- Author(s)
  三谷健一, 斎藤吉助,
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府・京都市)
- Year and Date
  2017-02-06
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the von Neumann-Jordan constant of generalized Banach-Fraczek spaces II2017
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito, and Yasuji Takahashi
- Organizer
  Nonlineia Analysis and Convex Analysis 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05287
[Presentation] On the von Neumann-Jordan constant of generalized Banach-Fraczek spaces II2017
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Organizer
  NonlinearAnalysis and Convex Analysis 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] More on the class of Banach spaces with James constant2017
- Author(s)
  Kichi-Suke Saito
- Organizer
  Nonlinear Analysis and Convex Analysis 2017
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-26400131
[Presentation] More on the class of Banach spaces with James constant2017
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, and Ryotaro Tanaka
- Organizer
  NonlinearAnalysis and Convex Analysis 2017
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the structure of Banach spaces with James constant root 22017
- Author(s)
  斎藤吉助、小室直人、田中遼太朗
- Organizer
  京都大学数理解析研究所研究集会
- Data Source
  KAKENHI-PROJECT-17K05287
[Presentation] Geometric constants of π/2-rotation invariant norms2016
- Author(s)
  Yukino Tomizawa, Ken-Ichi Mitani, Kichi-Suke Saito、Ryotaro Tanaka
- Organizer
  Nao-Asia 2016
- Place of Presentation
  Toki Messe(新潟県・新潟市)
- Year and Date
  2016-08-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] 回転不変ノルムに対するJames 定数の双対性について2016
- Author(s)
  田中亮太朗、小室直人、斎藤吉助
- Organizer
  2016年日本数学会年会
- Place of Presentation
  筑波大学,　茨城県つくば市
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] 回転不変ノルムに対するJames定数の双対性について2016
- Author(s)
  田中亮太朗、小室直人、斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  筑波大学、筑波
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-26400131
[Presentation] Rotation invariant norms on R^2 and geometric constants2016
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ryotaro Tanaka
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府・京都市)
- Year and Date
  2016-08-31
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the von Neumann-Jordan constant of l^p-l^q spaces2016
- Author(s)
  Ken-Ichi Mitani, Yasuji Takahashi, Kichi-Suke Saito
- Organizer
  Nao-Asia 2016
- Place of Presentation
  Toki Messe(新潟県・新潟市)
- Year and Date
  2016-08-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] バナッハ空間の幾何学的定数と行列ノルムについて2016
- Author(s)
  斎藤吉助,小室直人、田中亮太朗
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府・京都市)
- Year and Date
  2016-11-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] A characterization of two-dimensional normed spaces with James constant2016
- Author(s)
  Ryotaro Tanaka, Naoto Komuro, Kichi-Suke Saito
- Organizer
  Nao-Asia 2016
- Place of Presentation
  Toki Messe(新潟県・新潟市)
- Year and Date
  2016-08-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the von Neumann-Jordan constant of Banas-Fraaczek space2016
- Author(s)
  三谷健一, 斎藤吉助, 高橋泰嗣
- Organizer
  日本数学会秋期分科会
- Place of Presentation
  関西大学(大阪府・吹田市）
- Year and Date
  2016-09-15
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] π/2-rotation invariant norms on R^2 and the James constant2016
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ryotaro Tanaka
- Organizer
  Nao-Asia 2016
- Place of Presentation
  Toki Messe(新潟県・新潟市)
- Year and Date
  2016-08-01
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] On the von Neumann-Jordan constant of Banas-Fraaczek space2016
- Author(s)
  三谷健一、斎藤吉助、高橋泰嗣
- Organizer
  日本数学会秋期総合分科会
- Place of Presentation
  関西大学
- Year and Date
  2016-09-15
- Data Source
  KAKENHI-PROJECT-26400131
[Presentation] π/2-rotation invariant norms on R^2 and the James constant2016
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ryotaro Tanaka
- Organizer
  The fifth Asian conference on Nonlinear Analysis and Optimization
- Place of Presentation
  Toki Messe, Niigata, Japan
- Year and Date
  2016-08-01
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-26400131
[Presentation] The duality equality for James constant of Banach spaces2015
- Author(s)
  Ryotaro Tanaka, Kichi-Suke Saito
- Organizer
  The Fifth International Symposium on Banach and Function Spaces 2015
- Place of Presentation
  九州工業大学工学部、福岡県北九州市
- Year and Date
  2015-09-02
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] James 定数√２とノルムの幾何構造との関係について2015
- Author(s)
  田中亮太郎、小室直人、斎藤吉助
- Organizer
  実解析学シンポジウム2015
- Place of Presentation
  東邦大学習志野キャンパス、千葉県習志野市
- Year and Date
  2015-10-23
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] バナッハ空間の幾何学的構造についての最近の進展2015
- Author(s)
  斎藤吉助
- Organizer
  2015年日本数学会秋期総合分科会
- Place of Presentation
  京都産業大学、京都府京都市
- Year and Date
  2015-09-13
- Invited
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] バナッハ空間の幾何学的構造についての最近の進展2015
- Author(s)
  斎藤吉助
- Organizer
  2015年日本数学会秋期総合分科会
- Place of Presentation
  京都産業大学　（京都府京都市）
- Year and Date
  2015-09-15
- Invited
- Data Source
  KAKENHI-PROJECT-23540190
[Presentation] On the von Neumann-Jordan constant for Bana´s-Fraczek space2015
- Author(s)
  Ken-Ichi Mitani, Yasuji Takahashi, Kichi-Suke Saito
- Organizer
  The Fifth International Symposium on Banach and Function Spaces 2015
- Place of Presentation
  九州工業大学工学部、福岡県北九州市
- Year and Date
  2015-09-02
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] ノルム空間における幾何学的定数の上限値2015
- Author(s)
  水口洋康、斎藤吉助
- Organizer
  2015年日本数学会秋期総合分科会
- Place of Presentation
  京都産業大学,京都府京都市
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] Which Banach space has James constant √2 ?2015
- Author(s)
  Kichi-Suke Saito, Naoto Komuro, Ryotaro Tanaka
- Organizer
  The Fifth International Symposium on Banach and Function Spaces 2015
- Place of Presentation
  九州工業大学工学部、福岡県北九州市
- Year and Date
  2015-09-02
- Invited
- Data Source
  KAKENHI-PROJECT-15K04920
[Presentation] 2 次元 Lorentz 数列空間及びその双対空間の James 定数2014
- Author(s)
  Ken-ichi Mitani , Kichi-Suke Saito and Ryotaro Tanaka
- Organizer
  日本数学会年会
- Year and Date
  2014-03-18
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Recent development of James constant of two dimensional Lorentz sequence spaces2014
- Author(s)
  Kichi-Suke Saito, Ken-ichi Mitani and Ryotaro Tanaka
- Organizer
  RIMS 研究集会
- Place of Presentation
  京都大学
- Year and Date
  2014-01-08
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルムの正規直交基底について2013
- Author(s)
  田中亮太朗, 斎藤吉助
- Organizer
  日本数学会秋期分科会
- Place of Presentation
  愛媛大学
- Year and Date
  2013-09-24
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルム空間の構造について2013
- Author(s)
  田中亮太朗, 斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  京都大学
- Year and Date
  2013-03-21
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Characterizations of geometrical properties of Banach spaces using ψ -direct sums2013
- Author(s)
  Kichi-Suke Saito
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  Hirosaki, Japan
- Year and Date
  2013-08-04
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Characterizations of geometrical properties of Banach spaces using [psi]-direct sums2013
- Author(s)
  K.-S. Saito
- Organizer
  The 8th Inter- national Conference on Nonlinear and Convex Analysis
- Place of Presentation
  Hirosaki, Japan
- Invited
- Data Source
  KAKENHI-PROJECT-23540216
[Presentation] Beckner の不等式の一般化について2013
- Author(s)
  田中亮太朗, 斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Year and Date
  2013-11-07
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 三角不等式の一般化について2013
- Author(s)
  泉田保, 斎藤吉助, 三谷健一
- Organizer
  京都大学数理解析研究所研究集会
- Year and Date
  2013-11-07
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] ノルム空間におけるDunkl-Williams 定数の計算方法について2013
- Author(s)
  水口洋康、斎藤吉助、田中亮太朗
- Organizer
  日本数学会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Recent results of Banach space theory2013
- Author(s)
  Kichi-Suke Saito
- Organizer
  Seminar Talk
- Place of Presentation
  University of Iowa
- Year and Date
  2013-09-12
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Characterizatyions of geometrical properties of Banach spaces using [psi]-direct sums2013
- Author(s)
  K.-S. Saito
- Organizer
  8th International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  Hirosaki, Japan
- Invited
- Data Source
  KAKENHI-PROJECT-23540216
[Presentation] Convex properties of James and von Neumann-Jordan constant of absolute norms on R^22013
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-Ichi Mitani
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  Hirosaki, Japan
- Year and Date
  2013-08-04
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルム空間の構造について2013
- Author(s)
  田中亮太朗、　斎藤吉助
- Organizer
  日本数学会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] ノルム空間における Dunkl-Williams 定数の計算方法について2013
- Author(s)
  水口洋康, 斎藤吉助, 田中亮太朗
- Organizer
  日本数学会年会
- Place of Presentation
  京都大学
- Year and Date
  2013-03-21
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] James constant of two dimensional Lorentz sequence spaces2013
- Author(s)
  Kichi-Suke Saito
- Organizer
  ICNAO2013 The international Conference on Nonlinear Analysis and Optimazation
- Place of Presentation
  Takao, Taiwan
- Year and Date
  2013-12-21
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner の不等式とその Banach 空間への応用について2013
- Author(s)
  斎藤吉助, 田中亮太朗, 小室直人
- Organizer
  日本数学会年会
- Place of Presentation
  京都大学
- Year and Date
  2013-03-21
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner's inequality and its generalizations2013
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  Hirosaki, Japan
- Year and Date
  2013-08-04
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] How to calculate James constant of Banach spaces?2012
- Author(s)
  K.-S. SAITO
- Organizer
  The foruth International symposium on Banach and Function Spaces
- Place of Presentation
  九州工業大学
- Year and Date
  2012-09-13
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] The Dunkl- Williams constant of some Banach spaces2012
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工大
- Year and Date
  2012-09-13
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] A Calculation of Dunkl-Williams constant of Banach spaces2012
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito and Ryotaro Tanaka
- Organizer
  京都大学数理解析研究所研究集会
- Year and Date
  2012-08-29
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner's inequality and its application to Banach spaces2012
- Author(s)
  斎藤吉助, 田中亮太朗, 小室直人
- Organizer
  京都大学数理解析研究所研究集会
- Year and Date
  2012-11-05
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner’s inequality and its application to Banach spaces2012
- Author(s)
  斎藤吉助, 田中亮太朗, 小室直人
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルム空間の構造と直交基底について2012
- Author(s)
  田中亮太朗、斎藤吉助
- Organizer
  実解析学シンポジウム2012
- Place of Presentation
  茨城大学理学部
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] On the convex property of von Neumann-Jordan constant2012
- Author(s)
  Kichi-Suke Saito
- Organizer
  Colloquium of the Department of Mathematics
- Place of Presentation
  Universidad Complutense de Madrid
- Year and Date
  2012-02-13
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] The Dunkl-Williams constant of some Banach spaces2012
- Author(s)
  Hiroyasu Mizuguchi, Kichi-Suke Saito, Ryotaro Tanaka
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工大
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] How to calculate James constant of Banach spaces2012
- Author(s)
  Kichi-Suke Saito
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工大
- Year and Date
  2012-09-13
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] A structure of n-dimensional normed linear spaces2012
- Author(s)
  Ryotaro Tanaka　and Kichi-Suke Saito
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工大
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Several geometric constants of absolute normalized norm on R^22012
- Author(s)
  H.Mizuguchi, K.-S.Saito
- Organizer
  日本数学会年会
- Place of Presentation
  東京理科大学,東京都
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] von Neumann-Jordan 定数の凸性について2012
- Author(s)
  斎藤吉助, 小室直人, 三谷健一, 田中亮太朗
- Organizer
  日本数学会年会
- Place of Presentation
  東京理科大学神楽坂キャンパス
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] von Neumann-Jordan定数の凸性について2012
- Author(s)
  斎藤吉助
- Organizer
  日本数学会
- Place of Presentation
  東京理科大学神楽坂キャンパス
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルム空間の構造と直交基底について2012
- Author(s)
  田中亮太朗, ・斎藤吉助
- Organizer
  実解析学シンポジウム 2012
- Place of Presentation
  茨城大学理学部
- Year and Date
  2012-10-27
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] A structure of n-dimensional normed linear spaces2012
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工大
- Year and Date
  2012-09-13
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Several geometric constants of absolute normalized norm on R^22012
- Author(s)
  水口洋康, 斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  東京理科大学神楽坂キャンパス
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] バナッハ空間の skew 定数について2011
- Author(s)
  三谷健一, 斎藤吉助, 高橋泰嗣
- Organizer
  京都大学数理解析研究所
- Year and Date
  2011-08-30
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] On the James constant of absolute norms on R^22011
- Author(s)
  小室直人, 斎藤吉助, 三谷健一
- Organizer
  研究集会「バナッハ空間論の研究とその周辺」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] How to calculate the geometrical constants of Banach spaces2011
- Author(s)
  Kichi-Suke Saito
- Organizer
  The seventh International Conference on Nonlinear Analysis and Convex Analysis(招待講演)
- Place of Presentation
  Pukyong National University, Busan Korea
- Data Source
  KAKENHI-PROJECT-23540190
[Presentation] Von Neumann-Jordan定数について2011
- Author(s)
  斎藤吉助
- Organizer
  作用素論・作用素環論研究集会
- Place of Presentation
  琉球大学、沖縄
- Data Source
  KAKENHI-PROJECT-23540216
[Presentation] On the James constant of extrem absolute norms on R^2 and their dualnorms2011
- Author(s)
  N.Komura, K.-S.Saito, K.Mitani
- Organizer
  The 7-th International conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan, Korea(招待講演)
- Year and Date
  2011-08-03
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] How to caluculate the geometrical constants of Banach spaces2011
- Author(s)
  K.-S.Saito
- Organizer
  The 7-th International conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan, Korea(招待講演)
- Year and Date
  2011-08-03
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] バナッハ空間のskewnessについて2011
- Author(s)
  三谷健一、斎藤吉助
- Organizer
  バナッハ空間論の研究とその周辺
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] How to calculate the geometrical constants of Banach spaces2011
- Author(s)
  Kichi-Suke Saito
- Organizer
  The seventh International Conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan Korea
- Year and Date
  2011-08-03
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] On the James constant of absolute norms on R^22011
- Author(s)
  小室直人, 斎藤吉助, 三谷健一
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-02-14
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] On the James constant of extrem absolute norms on R^2 and their dual norms2011
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-Ichi Mitani
- Organizer
  The seventh International Conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan Korea
- Year and Date
  2011-08-03
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Skewness and geometrical constants for Banach spaces2011
- Author(s)
  K.Mitani, K.-S.Saito, Y.Takahashi
- Organizer
  日本数学会秋期分科会
- Place of Presentation
  信州大学,長野県
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Von Neumann Jordan定数について2011
- Author(s)
  K.-S.Saito
- Organizer
  作用素論・作用素環論研究集会
- Place of Presentation
  琉球大学,沖縄県
- Year and Date
  2011-11-05
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Absoluteノルムの単調性とその応用2011
- Author(s)
  三谷健一, 小室直人, 斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  早稲田大学
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] von Neumann-Jordan定数について2011
- Author(s)
  斎藤吉助
- Organizer
  作用素論・作用素環論研究集会(招待講演)
- Place of Presentation
  琉球大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Skewness and geometrical constants for Banach spaces2011
- Author(s)
  三谷健一, 斎藤吉助, 高橋泰嗣
- Organizer
  日本数学会秋期総合分科会
- Place of Presentation
  信州大学、松本
- Data Source
  KAKENHI-PROJECT-23540216
[Presentation] Skew and geometrical constants of a Banach space2011
- Author(s)
  Ken-ichi Mitani, Kichi-Suke Saito, Yasuji Takahashi
- Organizer
  The seventh International Conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan Korea
- Year and Date
  2011-08-03
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 三角不等式のゴ考察2011
- Author(s)
  斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] How to calculate the geometrical constants of Banach spaces2011
- Author(s)
  Kichi-Suke Saito
- Organizer
  The 7-th International Conference on Nonlinear Analysis and Convex Analysis(招待講演)
- Place of Presentation
  Pukyong National University, Korea
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] バナッハ空間のskew定数について2011
- Author(s)
  K.Mitani, K.-S.Saito, Y.Takahashi
- Organizer
  非線形解析学と凸解析学の研究
- Place of Presentation
  京都大学数理解析研究所,京都府
- Year and Date
  2011-08-30
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] How to calculate the geometrical constants of Banach spaces2011
- Author(s)
  Kichi-Suke Saito
- Organizer
  The seventh International Conference on Nonlinear Analysis and Convex Anal-Ysis
- Place of Presentation
  Pukyong National University, Busan Korea(招待講演)
- Year and Date
  2011-08-03
- Data Source
  KAKENHI-PROJECT-22540178
[Presentation] On the James constant of absolute norms on R^22011
- Author(s)
  小室直人、斎藤吉助、三谷健一
- Organizer
  バナッハ空間論の研究とその周辺
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] von Neumann Jordan 定数について2011
- Author(s)
  斎藤吉助
- Organizer
  作用素論・作用素環論研究集会
- Place of Presentation
  琉球大学
- Year and Date
  2011-11-05
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Skewness and geometrical constants for Banach spaces2011
- Author(s)
  三谷健一, 斎藤吉助, 高橋泰嗣
- Organizer
  日本数学会秋期分科会
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] How to calculate thegeometrical constants of Banach spaces2011
- Author(s)
  Kichi-Suke Saito
- Organizer
  The seventh Internationa Conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Pukyong National University, Busan Korea
- Year and Date
  2011-08-03
- Data Source
  KAKENHI-PROJECT-22540178
[Presentation] The sharp triangle inequalities and its applications to the geometry of Banach spaces2010
- Author(s)
  K.-S.Saito
- Organizer
  The Conference on Inequalities and Applications '10
- Place of Presentation
  Hajduszoboszlo, Hungary
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Sharp triangle inequalities in Banach spaces and the recent results2010
- Author(s)
  K.Mitani, K.-S.Saito
- Organizer
  実解析学シンポジウム
- Place of Presentation
  九州工業大学
- Year and Date
  2010-11-13
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Dunkl-Williams不等式と等号条件2010
- Author(s)
  富永雅, 斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  慶応義塾大学矢上キャンパス
- Year and Date
  2010-03-25
- Data Source
  KAKENHI-PROJECT-19540169
[Presentation] absolutノルムの端点のvon Neumann-Jordan定数2010
- Author(s)
  三谷健一, 小室直人, 斎藤吉助
- Organizer
  日本数学会年会
- Place of Presentation
  慶応義塾大学矢上キャンパス
- Year and Date
  2010-03-25
- Data Source
  KAKENHI-PROJECT-19540169
[Presentation] Absolute nomの単調性とその応用2010
- Author(s)
  斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-08-31
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Absolute normの単調性とその応用2010
- Author(s)
  斎藤吉助、三谷健害、小室直人
- Organizer
  非線形解析学と凸解析学の研究
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] The sharp triangle inequalities and its applications to the geometry of Banach spaces2010
- Author(s)
  斎藤吉助
- Organizer
  CIA10
- Place of Presentation
  Hungary
- Year and Date
  2010-09-23
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Absolute normの単調性とその応用2010
- Author(s)
  斎藤吉助, 三谷健一, 小室直人
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-08-31
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] absolute normの集合の端点構造につい2010
- Author(s)
  三谷健一、斎藤吉助、小室直人
- Organizer
  作用素論における非可換構造の研究とその応用
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] absolute normの集合の端点構造について2010
- Author(s)
  三谷健一, 斎藤吉助, 小室直人
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-10-27
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] The sharp triangle inequalities and its applications to the geometry of Banach spaces2010
- Author(s)
  Kichi-Suke Saito
- Organizer
  Conference on Inegialities and Applications 2010
- Place of Presentation
  Hungary
- Year and Date
  2010-09-23
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Dunkl-Williams不等式と作用素不等式について2009
- Author(s)
  斎藤吉助
- Organizer
  作用素論・作用素環論研究集会
- Place of Presentation
  奈良教育大学
- Year and Date
  2009-11-19
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Extremal structure of absolute normalized norms on R^2 II2009
- Author(s)
  小室直人, 斎藤吉助, 三谷健一
- Organizer
  The Sixth International Conference on Nonlinear Analysis and Convex Analysis
- Place of Presentation
  Tokyo Institute of Technology
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Dual of two dimensional Lorentz spaces ant the James constant2009
- Author(s)
  Kichi-Suke Saito
- Organizer
  Analysis, Inequality and Homogenety theory
- Place of Presentation
  Lulea, Sweden
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] 作用素の世界からバナッハ空間の世界へ2009
- Author(s)
  斎藤吉助
- Organizer
  研究集会「関数解析学の研究とその応用」
- Place of Presentation
  新潟コスモパル
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Dual of two dimensional Lorentz spaces ant the James constant2009
- Author(s)
  斎藤吉助
- Organizer
  Analysis Inequality and Homogenety theory
- Place of Presentation
  Lulea, Sweden
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Dual of two dimensional Lorentz spaces and the James constant2009
- Author(s)
  K.-S.Saito
- Organizer
  Analysis, Inequalities and Homogenization Theory---Midnight sun conference in honor of Lars-Erik Persson
- Place of Presentation
  Lulea, Sweden
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] On sharp triangle inequalities in Banach spaces and its applications2009
- Author(s)
  Kichi-Suke Saito
- Organizer
  Banach and Function Spaces 2009
- Place of Presentation
  Kyushu Institute of Technology
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Refinements of sharp triangle inequalities in Banach spaces and its applications2009
- Author(s)
  斎藤吉助
- Organizer
  Abstract Harmonic Analysis 2009
- Place of Presentation
  National Sun Yat-sen University Kaohsiung, Taiwan
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Sharp triangle inequalityの等号条件について2009
- Author(s)
  三谷健一, 斎藤吉助
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2009-05-21
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] On sharp triangle inequalities in Banach spaces and its applications2009
- Author(s)
  斎藤吉助
- Organizer
  Banach and Function Spaces 2009
- Place of Presentation
  Kyushu Institute of Technology, Tobata Campus Kitakyushu, Japan
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Refinements of sharp triangle inequalities in Banach spaces and its applications(招待講演)2009
- Author(s)
  K.-S.Saito
- Organizer
  Abstract Harmonic Analysis 2009
- Place of Presentation
  Kaohsiung, Taiwan
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Extremal structure of absolute normalized norms on$\Bbb R^2$ II (招待講演)2009
- Author(s)
  N. Komuro, K. -S. Saito, K. -I. Mitani
- Organizer
  The Sixth International Conference onNonlinear and Convex Analysis
- Place of Presentation
  東京工業大学
- Year and Date
  2009-03-27
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] 作用素に対するDunkl-Williams 型不等式について2009
- Author(s)
  斎藤吉助
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2009-10-29
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] 作用素の世界からバナッハ空間の世界へ2009
- Author(s)
  斎藤吉助
- Organizer
  「関数解析学の研究とその応用」研究集会
- Place of Presentation
  新潟市コスモパル
- Year and Date
  2009-08-28
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] on share triangle inequalities in Banach spaces and its applications(招待講演)2009
- Author(s)
  K.-S.Saito
- Organizer
  The 3rd International Symposium on Banach and Function Spaces 2009
- Place of Presentation
  九州工業大学
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Sharp triangle inequalityの等号条件2009
- Author(s)
  三谷健一, 斎藤吉助
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  大阪大学
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Refinements of triangle inequalities in Banach spaces2008
- Author(s)
  Kichi-Suke Saito
- Organizer
  International Workshop on Interpolation Theory, Function Spaces and Related Topics
- Place of Presentation
  Toledo, Spain
- Year and Date
  2008-09-08
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Extremal structure of absolute normalized normes on R22008
- Author(s)
  小室直人, 斎藤吉助, 三谷健一
- Organizer
  Asian Conference on Nonlinear Analysis and Optimization
- Place of Presentation
  Japan
- Year and Date
  2008-09-15
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Extremal structure of absolute normalized norms on $\Bbb R^2$(招待講演)2008
- Author(s)
  N. Komuro, K. -S. Saito, K. -I. Mitani
- Organizer
  Asian Conference on NonlinearAnalysis and Optimization
- Place of Presentation
  Matsue
- Year and Date
  2008-09-15
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Refinements of tria ngle inequalities in Banach spaces, International Workshop on Interpol ation Theory2008
- Author(s)
  K.-S. Saito
- Organizer
  Function Spaces and Related Topic
- Place of Presentation
  Toledo Spain
- Year and Date
  2008-08-08
- Data Source
  KAKENHI-PROJECT-18540199
[Presentation] Refinements of triangle inequalities in Banach spaces2008
- Author(s)
  斎藤吉助
- Organizer
  International Workshop on Interpolation Theory Function Spaces and Related Topics
- Place of Presentation
  Toledo, Spain
- Year and Date
  2008-09-08
- Data Source
  KAKENHI-PROJECT-20540158
[Presentation] Extremal structure of absolute normali zed normes on $\Bbb R^22008
- Author(s)
  N. Komuro, K. -S. Saito, K. -I. Mitani
- Organizer
  Asian Conference on Nonlinear Analysis and Optimization
- Place of Presentation
  島根大学
- Year and Date
  2008-09-15
- Data Source
  KAKENHI-PROJECT-18540199
[Presentation] Refinements of triangle inequalities in Banach spaces2008
- Author(s)
  K. -S. Saito
- Organizer
  International Workshop on Interpolation Theory, Function Spaces and Related Topic
- Place of Presentation
  Toledo, Spain
- Year and Date
  2008-09-08
- Data Source
  KAKENHI-PROJECT-18540199
[Presentation] Sharp triangle inequality の一般化について2008
- Author(s)
  田村高幸, 藤井正俊, 加藤幹雄, 斎藤吉助
- Organizer
  研究集会「バナッハ空間及び関数空間論の最近の進展とその応用」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2008-06-05
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] Sharp triangle inequalityの一般化について2008
- Author(s)
  田村高幸, 藤井正俊, 加藤幹雄, 斎藤吉助
- Organizer
  京都大学数理解析研究所研究集会「バナッハ空間及び関数空間論の最近の進展とその応用」
- Place of Presentation
  京都,日本
- Data Source
  KAKENHI-PROJECT-20540179
[Presentation] On sharp triangle inequalities in Banach spaces2007
- Author(s)
  三谷健一, 斉藤吉助, 加藤幹雄, 田村高幸
- Organizer
  日本数学会年会
- Place of Presentation
  埼玉大学
- Year and Date
  2007-03-27
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] 三角不等式の精密化とその応用2007
- Author(s)
  斎藤吉助, 三谷健一, 加藤幹雄, 田村高幸
- Organizer
  京都大学数理解析研究所研究集会「バナッハ空間, 関数空間及び不等式の研究とその応用」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-06-07
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] James constant of absolute normed spaces2007
- Author(s)
  K, Mitani, K.-S,. Saito, T,. Suzuki
- Organizer
  RIMS Meeting
- Place of Presentation
  Kyoto Univ
- Year and Date
  2007-09-04
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] Refinement of the triangle inequality and application2007
- Author(s)
  Kichi-Suke, Saito
- Organizer
  Banach Spaces, Function Spaces and Inequalities with Applications
- Place of Presentation
  Research Institute for Mathematical Sciences, Kyoto University
- Year and Date
  2007-06-07
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] Refinement of triangle inequalities2007
- Author(s)
  K.-S, Saito, K, Mitani, M, Kato, T, Tamura
- Organizer
  RIMS Meeting
- Place of Presentation
  Kyoto Univ
- Year and Date
  2007-06-07
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] 三角不等式の精密化について2007
- Author(s)
  斎藤吉助
- Organizer
  数理研研究集会
- Place of Presentation
  京都大学
- Year and Date
  2007-06-07
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] Around the tringle inequality2007
- Author(s)
  K.-S, Saito
- Organizer
  Meeting of operator theory and operator algebras
- Place of Presentation
  Chiba Univ
- Year and Date
  2007-10-08
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] ノルム空間の三角不等式を巡って2007
- Author(s)
  斎藤吉助
- Organizer
  作用素・作用素環論研究集会
- Place of Presentation
  千葉大学
- Year and Date
  2007-11-08
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] On sharp triangular inequalities in Banach spaces2007
- Author(s)
  K, Mitani, K.-S, Saito, M, Kato, T, Tamura
- Organizer
  Meeting of Math. Soc. Japan
- Place of Presentation
  Saitama Univ
- Year and Date
  2007-03-27
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] The geometrical constant and ψ-direct sums of Banach space2006
- Author(s)
  Ken-Ichi Mitani, Kichi-Suke Saito
- Organizer
  2nd International Symposium on Banach and Function Spaces 2006, 2006.9.14-17
- Place of Presentation
  九州工業大学
- Year and Date
  2006-09-16
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] The constant and St-direct sums of Banach spaces2006
- Author(s)
  K, Mitani, K. -S, Saito
- Organizer
  RIMS meeting
- Place of Presentation
  Kyoto Univ
- Year and Date
  2006-08-28
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] Uniform non-1^n_1-ness of direct sums of Banach Spaces2006
- Author(s)
  加藤幹雄, 斉藤吉助, 田村高幸
- Organizer
  京都大学数理解析研究所研究集会「バナッハ空間及び関数空間の構造の研究」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2006-06-08
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] The geometrical constant and -direct sums of Banach spaces2006
- Author(s)
  K, Miani, K.-S, Saito
- Organizer
  International Symposium on Banach and funnction spaces
- Place of Presentation
  Kyushu Insitutute of Technology
- Year and Date
  2006-09-16
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] The geometrical constant and ψ-direct sums of Banach spaces2006
- Author(s)
  Ken-Ichi, Mitani, Kichi-Suke, Saito
- Organizer
  2nd International Symposium on Banach and Function Spaces 2006(Kyushu Institute of Technology)
- Place of Presentation
  Kitakyushu, Japan
- Year and Date
  2006-09-16
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540185
[Presentation] Uniform non- e-ness of direct sums of Banach spaces2006
- Author(s)
  M, Kato, K.-S, Saito, T, Tamura
- Organizer
  RIMS meeting
- Place of Presentation
  Kyoto Univ
- Year and Date
  2006-06-08
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] Uniform non-〓^n_1-ness of direct sums of Banach spaces2006
- Author(s)
  M. Kato, K.-S. Saito and T. Tamura
- Organizer
  バナッハ空間及び関数空間の構造の研究
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2006-06-08
- Data Source
  KAKENHI-PROJECT-18540199
[Presentation] The geometrical constant and ψ-direct sums of Banach spaces2006
- Author(s)
  K.-I. Mitani and K.-S. Saito
- Organizer
  International Symposium on Banach and Function spaces
- Place of Presentation
  Kyushu Insitutute of Technology
- Year and Date
  2006-08-16
- Data Source
  KAKENHI-PROJECT-18540199
[Presentation] The form of invariant subspaces of L^2(T^2)2006
- Author(s)
  A. Hasegawa, K.-S, Saito
- Organizer
  RIMS meeting
- Place of Presentation
  Kyoto Univ
- Year and Date
  2006-10-12
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540164
[Presentation] Beckner の不等式とそのBanach 空間への応用について
- Author(s)
  斎藤吉助
- Organizer
  日本数学会
- Place of Presentation
  京都大学(京都府)
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Becknerの不等式の一般化について
- Author(s)
  田中亮太朗､斎藤吉助
- Organizer
  数理解析研究所研究集会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 三角不等式の一般化について
- Author(s)
  泉田保、斎藤吉助､三谷健一
- Organizer
  数理解析研究所研究集会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Characterizatyions of geometrical properties of Banach spaces using ψ-direct sums
- Author(s)
  Kichi-Suke Saito
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  弘前大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner's inequality and its generalizations
- Author(s)
  Ryotaro Tanaka and Kichi-Suke Saito
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  弘前大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Recent results of Banach space theory
- Author(s)
  Kichi-Suke Saito
- Organizer
  Seminar Talk of University ofIowa
- Place of Presentation
  University of Iowa
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] James constant of two dimensional Lorentz sequence spaces
- Author(s)
  Kichi-Suke Saito
- Organizer
  ICNAO2013 The international Conference on Nonlinear Analysis and Optimazation
- Place of Presentation
  中山大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] How to calculate James constant of Banach spaces?
- Author(s)
  斎藤吉助
- Organizer
  The foruth Internatinal symposium on Banach and Function Spaces
- Place of Presentation
  九州工業大学(福岡県)
- Invited
- Data Source
  KAKENHI-PROJECT-22540184
[Presentation] Recent development of James constant of two dimensional Lorentz sequence spaces
- Author(s)
  Kichi-Suke Saito, Ken-ichi Mitani and Ryotaro Tanaka
- Organizer
  RIMS研究集会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 有限次元ノルムの正規直交基底について
- Author(s)
  田中亮太朗、斎藤吉助
- Organizer
  日本数学会秋期分科会
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] 2Lorentz数列空間及びその双対空間のJames定数
- Author(s)
  Ken-ichi Mitani , Kichi-Suke Saito and Ryotaro Tanaka
- Organizer
  日本数学会年会
- Place of Presentation
  学習院大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Beckner's inequality and its application to Banach spaces
- Author(s)
  斎藤吉助, 田中亮太朗, 小室直人
- Organizer
  京都大学数理解析研究所研究集会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-23540216
[Presentation] 有限次元ノルムのノルム構造について
- Author(s)
  田中亮太朗、斎藤吉助
- Organizer
  日本数学会秋期分科会
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-23540189
[Presentation] Convex properties of James and von Neumann-Jordan constant of absolute norms on R^2
- Author(s)
  Naoto Komuro, Kichi-Suke Saito and Ken-Ichi Mitani
- Organizer
  The Eighth International Conference on Nonlinear Analysis and Convex Analysis (NACA2013)
- Place of Presentation
  弘前大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540189

1. WATANABE Keiichi (50210894)

# of Collaborated Projects: 17 results

# of Collaborated Products: 0 results
2. HATORI Osamu (70156363)

# of Collaborated Projects: 17 results

# of Collaborated Products: 0 results
3. SEIKIGAWA Kouei (60018661)

# of Collaborated Projects: 15 results

# of Collaborated Products: 0 results
4. TANAKA Kensuke (70018258)

# of Collaborated Projects: 14 results

# of Collaborated Products: 0 results
5. IZUCHI Keiji (80120963)

# of Collaborated Projects: 14 results

# of Collaborated Products: 0 results
6. KATO Mikio (50090551)

# of Collaborated Projects: 13 results

# of Collaborated Products: 36 results
7. TAKAHASHI Yasuji (30001853)

# of Collaborated Projects: 9 results

# of Collaborated Products: 4 results
8. SUZUKI Tomonari (00303173)

# of Collaborated Projects: 8 results

# of Collaborated Products: 2 results
9. 渡部剛 (60018257)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
10. 渡辺誠治 (40018271)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
11. ISOGAI Eiichi (40108014)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
12. ASANO Kazuo (80000876)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
13. 印南信宏 (20160145)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
14. MIURA Takeshi (90333989)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
15. TAMURA Takayuki (30302582)

# of Collaborated Projects: 4 results

# of Collaborated Products: 22 results
16. 兼田正治 (60204575)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
17. TAKAHASI Sin-ei (50007762)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
18. MITANI Ken-ichi (00468969)

# of Collaborated Projects: 3 results

# of Collaborated Products: 63 results
19. AKASHI Shigeo (30202518)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
20. TAKEUCHI Teruo (10018848)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
21. OHWADA Tomoyoshi (50321386)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
22. WATATANI Yasuo (00175077)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
23. 赤堀隆夫 (40117560)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
24. 井上淳 (50078557)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
25. TAKAGI Hiroyuki (20206725)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. KISHIMOTO Akitaka (00128597)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. NAKAGAMI Yoshiomi (70091246)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. ARAKI Hujihiro (20027361)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. TOMIYAMA Jun (30006928)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. SAKAI Shoichiro (30130503)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. OKAYASU Takateru (60005775)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. NISHISHIRAHO Toshihiko (70044956)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. KOMASTU Hikosaburo (40011473)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. HUJIWARA Hidenori (50108643)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. OHYA Masanori (90112896)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. HURUYA Tadashi (90018648)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. TANAKA Jun-ichi (60124864)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. HAYASHI Mikihiro (40007828)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. OKAZAKI Yoshiaki (40037297)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. 秋山茂樹 (60212445)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. 吉原久夫 (60114807)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. 松本和子 (60239093)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
43. 寺沢達雄 (00197790)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
44. 金子哲夫 (30018238)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
45. 斎藤和之 (60004397)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
46. 伊藤清三 (40011423)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
47. 三鳥川寿一 (80055318)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
48. 小林孝行 (50272133)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
49. 小室直人 (30195862)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results

saitou kichisuke 斎藤 吉助

SAITO Kichisuke 斎藤 吉助

SAITO Kichi-suke 斉藤 吉助

SAITO KichiーSuke 斉藤 吉助

斉藤 吉助 サイトウ キチスケ

斎藤 吉助 サイトウ キチスケ

Research Projects

Research Products

Co-Researchers

Geometric constants of Banach Spaces and their applicationsOngoing

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

バナッハ空間の幾何構造の研究とその応用Principal InvestigatorOngoing

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Various constants and norm inequalities in Banach spaces and its applicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The study of norm structure and various constants of Banach spaces, and its applicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The form of unit balls and the constants of Banach spaces and their applicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

saitou kichisuke 斎藤吉助

SAITO Kichisuke 斎藤吉助

SAITO Kichi-suke 斉藤吉助

SAITO KichiーSuke 斉藤吉助

斉藤吉助サイトウキチスケ

斎藤吉助サイトウキチスケ