• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Sugawa Toshiyuki  須川 敏幸

ORCIDConnect your ORCID iD *help
… Alternative Names

SUGAWA Toshiyuki  須川 敏幸

須川 敏幸  スガワ トシユキ

Less
Researcher Number 30235858
Other IDs
External Links
Affiliation (Current) 2025: 東北大学, 情報科学研究科, 教授
Affiliation (based on the past Project Information) *help 2008 – 2025: 東北大学, 情報科学研究科, 教授
2013: 東北大学, 大学院・情報科学研究科, 教授
2008 – 2011: Tohoku University, 大学院・情報科学研究科, 教授
2007: Hiroshima University, 大学院・理学研究科, 准教授
2007: Hiroshima University, Graduate School of Science, Associate Professor … More
2006: 広島大学, 理学研究科, 助教授
2005 – 2006: 広島大学, 大学院理学研究科, 助教授
2002 – 2005: 広島大学, 大学院・理学研究科, 助教授
2000: 京大, 理学(系)研究科, 助手
1996 – 1999: Kyoto Univ., Graduate School of Science, Assistant, 大学院・理学研究科, 助手
1998: 京都大学, 大学院理学研究科, 助手
1994: 京都大学, 理学部, 助手 Less
Review Section/Research Field
Principal Investigator
Basic analysis / Basic analysis / Basic Section 12010:Basic analysis-related / Geometry / 解析学
Except Principal Investigator
Basic analysis / Basic analysis / Geometry / Global analysis / Basic Section 12010:Basic analysis-related … More / Medium-sized Section 12:Analysis, applied mathematics, and related fields / Geometry / 解析学 / Algebra Less
Keywords
Principal Investigator
双曲計量 / シュワルツ微分 / 一様完全 / 擬等角写像 / リーマン面 / 単葉函数 / タイヒミュラー空間 / 幾何学的函数論 / レヴナー方程式 / シストール … More / 錐特異性 / 単葉性判定法 / 退化ベルトラミ方程式 / 単葉関数 / 双曲幾何 / フックス群 / ベルトラミ方程式 / 双曲距離 / ラプラシアン / タイヒミュラー型定理 / モジュラス距離 / モジュラー方程式 / 係数問題 / 調和写像 / 楕円型作用素 / 非線形レゾルベント / 擬等角拡張 / 単葉調和函数 / スペクトル / タイヒミュラーの定理 / 平面領域 / モジュラス / 錐計量 / 周期行列 / 基本群の表現 / 射影構造 / 特異ユークリッド構造 / アフィン構造 / 半円環 / ベキ行列 / グルンスキー係数 / ベキ変形 / シュワルツ補題 / 変動領域 / 面積不等式 / 極値問題 / 等角写像 / シュワルツ・ピツクの補題 / Loewner方程式 / SLE / 超幾何函数 / Bazilevic函数 / Smale予想 / 局所-様単葉函数 / ハーディ族 / ハーディー空間 / ポテンシャル論 / 等角不変量 / 対数容量 / ハウスドルフ次元 / 密性条件 / 微分従属式 / 不変微分作用素 / 双曲的凸領域 / Teichmuller空間 / 有界幾何 / Bergman計量 / 正則二次微分 / 有界幾何学 / Schwarz微分 / 境界正則性 / Dirichlet問題 / モノドロミー / Bers境界 / 前Schwarz微分 / uniformly perfect / ラムダレンマ(λ-lemma) … More
Except Principal Investigator
タイヒミュラー空間 / 擬等角写像 / リーマン面 / Teichmuller space / 複素解析 / 双曲幾何 / 写像類群 / モジュライ空間 / 複素力学系 / クライン群 / Riemann surface / ベアス埋め込み / 幾何学 / 平均曲率流 / グラフ / 調和 / ポテンシャル / エルゴード理論 / 熱力学形式 / Martin境界 / ブラウン運動 / 調和解析 / シュワルツ微分 / 双曲幾何学 / extremal extension / harmonic extension / quasiconformal extension / 極値拡張 / 調和拡張 / 擬等角拡張 / 擬対称自己同型 / co-tidal / difraction / Quasi group / WEB / Quasiconformal map / Complex dynamics / 複素解析学 / 確率論 / 関数論 / ネットワーク / 熱核 / 容量 / free period / McShaneの等式 / small cancellation theory / 2橋結び目 / フックス群 / 幾何学的群論 / 擬対称写像 / Sierpinski carpet / Harnack原理 / 境界Harnack原理 / Harnack不等式 / フラクタル / Riemann面 / 実解析 / 生成作用素 / 力学系ゼータ関数 / 国際研究者交流 / ハウスドルフ次元 / Klein群 / 函数論 / 確率解析 / 離散擬等角写像 / ベルトラミ方程式 / タイヒミュラー理論 / 離散リーマン面 / 非線形変分問題 / 距離空間 / レブナ-方程式 / 正値解 / 自己相似集合 / 非線形 / 変分問題 / リーマン多様体 / 熱方程式 / 偏微分方程式 / ポテンシャル解析 / ラプラシアン / 負曲率多様体 / カントール集合 / 楕円型境界値問題 / エネルギー / 完備リーマン多様体 / 大域的可積分性 / 容量的幅 / Dirichlet最小固有値 / 複雑領域 / 理想境界 / 非線形PDE / 4次元多様体論 / 3次元多様体論 / 4次元多様体論 / 3次元多様体論 / 結び目理論 / 4次元多様体 / 3次元多様体 / 低次元トポロジー / Kleinian group / Teichmuller distance / Hyperbolic geometry / Quasiconformal mapping / ergodic theory / mapping class group / thermodynamic formalism / dynamical zeta function / Fuchsian group / Hyperbolic surface / Mapping class group / 正則二次微分 / 漸近的等角写像 / 双曲面 / univalent function / Bers embedding / Schwarzian derivative / hyperbolic geometry / quasiconformal map / modular group / 単葉函数 / モジュラー群 / conjugate function / conjugte function / crossratio / quasiconformal mapping / quasisymmetric function / 調和格調 / 擬対称関数 / 共役関数 / 非調和比 / 擬対称性関数 / generalized quasisymmetric dilatation / Douady-Earle extension / Beurling-Ahlfors extension / quasisymmetric automorphism / ドゥアディ・アール拡張 / ブーリン・アールフォルス拡張 / 一般化された擬対称変形率 / Douady-Earle拡張 / Beurling-Ahlfors拡張 / Chern connection / Caustics / Foliation / CHERN接続 / 可換力学 / 面積程存 / Qunsi Group / 可換力学系 / 正則ベクトル場 / 常微分方程式 / 接触構造 / Chern 接続 / Quasi Group / Chern接続 / Cavstic / 複素力学 / 葉層 / Hausdorff dimension / Julia sets / Fractal sets / Kleinian groups / ジュリア集合 / フラクタル集合 / 微分幾何 / 微分幾何学 / 等角重心拡張 / 熱半群 / ガウス写像 / 擬等角変形空間 / 非線形ネットワーク / 除去可能特異点 / 乗数イデアル / 双曲空間 / 変分公式 / レブナー鎖 / Brown運動 / 関数方程式論 / 解析学 / varifold / Sierpinski gasket / Green核 / 力学ゼータ関数 / 測地流 / 力学系 / 拡散過程 / タイヒミュラー空間論 / くりこみ / ベキ変形,close-to-convex / 正則運動 / リーマン面の退化 / 多国籍 / 国際情報交換 / 楕円的モンテシノス絡み目 / 解消トンネル / 2橋球面 / Heckoid orbifold / Heegaard decomposition / Heckoid group / モノドロミー群 / 2橋結び目 / cusp shape / McShane's identity / Heegaard splitting / bridge decomposition / 2-bridge link / 2-bridge knot / 橋分解 / 結び目群 / エンド不変量 / 錐多様体 / 2橋絡み目 / 非離散表現 / 離散群 / フツクス群 / 双曲計量 / メビウス変換群 / Allen-Cahn方程式 / Orlicz空間 / 放物型ハルナック不等式 / Markov chain / 極小尖細 / 正則写像 / Rieszポテンシャル / 半線形楕円型方程式 / Random walk / Klien群 / 放物型偏微分方程式 / 一様領域 / 非線形不等式 / conformal dimension / フェイズフィールド法 / Dirichlet問題 / 確率過程 / 変動指数 / ヘルダー連続性 / Cauchy積分 / 楕円型作用素の摂動 / 放物型方程式 / 楕円型方程式 / 正則1次微分 / 素数定理 / Rauzy induction / 連分数変換 / 区間入換え変換 / ディリクレ形式 / 中心極限定理 / 区間入れ換え変換 / 米国:フランス:ドイツ / 国際研究者交流(米国、フランス、ドイツ他) / アルゴリズム / 圏論的数論幾何 / 数論的基本群 / 数論幾何学 / 調和関数 / マルチン核 / 複素構造の変形 / 正則曲線 / ポテンシャル論 / 複素多様体 / タイヒミュラー測地流 / サーストンコンパクト化 / 確立解析 Less
  • Research Projects

    (35 results)
  • Research Products

    (248 results)
  • Co-Researchers

    (127 People)
  •  等角不変計量の定量的評価とその応用Principal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      2025 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 12010:Basic analysis-related
    • Research Institution
      Tohoku University
  •  Loewner equation and Teichmueller space theory

    • Principal Investigator
      松崎 克彦
    • Project Period (FY)
      2023 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 12010:Basic analysis-related
    • Research Institution
      Waseda University
  •  離散リーマン面の離散擬等角変形理論の基礎づけ

    • Principal Investigator
      川平 友規
    • Project Period (FY)
      2022 – 2024
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 12:Analysis, applied mathematics, and related fields
    • Research Institution
      Hitotsubashi University
  •  Quasiconformal extension in differential geometry and theory of the universal Teichmueller space in harmonic analysis

    • Principal Investigator
      Matsuzaki Katsuhiko
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 12010:Basic analysis-related
    • Research Institution
      Waseda University
  •  Deepening of potential analysis on nonsmooth domains - Applications to PDE and ideal boundary

    • Principal Investigator
      Aiakwa Hiroaki
    • Project Period (FY)
      2017 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Basic analysis
    • Research Institution
      Chubu University
      Hokkaido University
  •  Analysis of elliptic operators and its applications to Geometric Function TheoryPrincipal Investigator

    • Principal Investigator
      Sugawa Toshiyuki
    • Project Period (FY)
      2017 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
  •  Degeneration and collapsing of Kleinian groups; geometry and analysis of the compactification of their defamation spaces

    • Principal Investigator
      Shiga Hiroshige
    • Project Period (FY)
      2016 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Kyoto Sangyo University
      Tokyo Institute of Technology
  •  Toward the construction of a new kind of Teichmueller space and its analysisPrincipal Investigator

    • Principal Investigator
      SUGAWA Toshiyuki
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
  •  Potential theory on space complexity and ideal boundary

    • Principal Investigator
      Aikawa Hiroaki
    • Project Period (FY)
      2013 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Hokkaido University
  •  Research on the Weil-Petersson metric of infinite dimensional Teichmueller spaces

    • Principal Investigator
      Matsuzaki Katsuhiko
    • Project Period (FY)
      2013 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Waseda University
  •  Geometric structure and combinatorial structure of 3-dimensional manifolds

    • Principal Investigator
      SAKUMA MAKOTO
    • Project Period (FY)
      2010 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Hiroshima University
  •  Various aspects on the study of Geometric Function TheoryPrincipal Investigator

    • Principal Investigator
      SUGAWA Toshiyuki
    • Project Period (FY)
      2010 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
  •  Analysis of degenerations and singularities of Kleinian groups and complex dynamics

    • Principal Investigator
      SHIGA Hiroshige
    • Project Period (FY)
      2010 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Tokyo Institute of Technology
  •  Ergodic-theoretical study of dynamical systems and stochastic processes related to the theory of Teichmuller spaces

    • Principal Investigator
      MORITA Takehiko
    • Project Period (FY)
      2010 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Global analysis
    • Research Institution
      Osaka University
  •  Indiscrete representations of discrete groups

    • Principal Investigator
      MAKOTO Sakuma
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Geometry
    • Research Institution
      Hiroshima University
  •  Research on potential problems from various aspects

    • Principal Investigator
      AIKAWA Hiroaki
    • Project Period (FY)
      2008 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Basic analysis
    • Research Institution
      Hokkaido University
  •  Teichmuller spaces of symmetric structures and the rigidity and fixed-point problems of quasiconformal mapping class groups

    • Principal Investigator
      MATSUZAKI Katsuhiko
    • Project Period (FY)
      2008 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Waseda University
      Okayama University
  •  New developments in number theory and geometry : arithmetic topology, categorical arithmetic geometry, algorithm

    • Principal Investigator
      MATSUMOTO Makoto
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Algebra
    • Research Institution
      Hiroshima University
  •  Ergodic-theoretical study of dynamical systems and stochastic processes on moduli space of curves

    • Principal Investigator
      MORITA Takehiko
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Global analysis
    • Research Institution
      Hiroshima University
  •  Global construction of pleating coordinates of Teichmuller spaces and its applications

    • Principal Investigator
      KOMORI Yohei
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Osaka City University
  •  Loewner方程式の幾何学的函数論および確率過程への応用Principal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
      Hiroshima University
  •  Research on deformations of real and complex manifolds and variations of invariants

    • Principal Investigator
      SHIGA Hiroshige
    • Project Period (FY)
      2005 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Basic analysis
    • Research Institution
      Tokyo Institute of Technology
  •  New development of geometric function theory focused on conformal invariantsPrincipal Investigator

    • Principal Investigator
      SUGAWA Toshiyuki
    • Project Period (FY)
      2005 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
      Hiroshima University
  •  タイヒミュラー空間上のブラウン運動と曲線のモジュライ空間の確率解析

    • Principal Investigator
      MORITA Takehiko
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Basic analysis
    • Research Institution
      Hiroshima University
  •  Researches on quasiconformal groups and the modular group of the universal Teichmuller space

    • Principal Investigator
      MATSUZAKI Katsuhiko
    • Project Period (FY)
      2004 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Okayama University
      Ochanomizu University
  •  Ergodic-theoretical study of the distribution of Teichmuller closed geodesics and the dynamical zeta functions

    • Principal Investigator
      MORITA Takehiko
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Global analysis
    • Research Institution
      Hiroshima University
  •  境界の密性がもたらす領域のポテンシャル論的・幾何的性質についてPrincipal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Basic analysis
    • Research Institution
      Hiroshima University
  •  Dynamics of modular groups on infinite dimensional Teichmuller spaces

    • Principal Investigator
      MATSUZAKI Katsuhiko
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Ochanomizu University
  •  Analysis of quasisymmetric functions and Teichmuller space

    • Principal Investigator
      SAKAN Ken-ichi
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Osaka City University
  •  リーマン面の双曲幾何と一様完全性Principal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Basic analysis
    • Research Institution
      Kyoto University
  •  Geometry of webs, Hamiltonian systems and complex dynamics

    • Principal Investigator
      NAKAI Isao
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (B).
    • Research Field
      Geometry
    • Research Institution
      Ochanomizu University
      Hokkaido University
  •  Various quasiconformal extensions of a quasisymmetric automorphism of the unit circle and Teichmuller space

    • Principal Investigator
      SAKAN Kenichi
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Osaka City University
  •  Teichmuller空間の境界の幾何学Principal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
  •  Analysis and Applications of Teichmuller space

    • Principal Investigator
      TANIGUCHI Masahiko
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      解析学
    • Research Institution
      KYOTO UNIVERSITY
  •  λ-lemmaによるリーマン面の正則族の研究Principal Investigator

    • Principal Investigator
      須川 敏幸
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      解析学
    • Research Institution
      Kyoto University

All 2024 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 Other

All Journal Article Presentation Book

  • [Book] 複素解析学特論2019

    • Author(s)
      楠幸男,須川敏幸
    • Total Pages
      210
    • Publisher
      現代数学社
    • ISBN
      9784768705209
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Book] Topics in finite or infinite dimensional complex analysis2013

    • Author(s)
      K. Matsuzaki and T. Sugawa
    • Publisher
      Tohoku Univ. Press
    • Data Source
      KAKENHI-PROJECT-20340030
  • [Book] Topics in Finite or Infinite Dimensional Complex Analysis2013

    • Author(s)
      K. Matsuzaki and T. Sugawa (eds)
    • Total Pages
      268
    • Publisher
      Tohoku University Press
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Book] Topics in Finite or Infinite Dimensional Complex Analysis2013

    • Author(s)
      K. Matsuzaki and T. Sugawa (eds),
    • Total Pages
      268
    • Publisher
      Tohoku University Press, Sendai
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Book] Topics in Finite or Infinite Dimensional Complex Analysis2013

    • Author(s)
      K. Matsuzaki and T. Sugawa (eds)
    • Total Pages
      268
    • Publisher
      Tohoku University Press, Sendai
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Book] Topics in Finite or Infinite Dimensional Complex Analysis2013

    • Author(s)
      K. Matsuzaki and T. Sugawa
    • Total Pages
      268
    • Publisher
      Tohoku Univ. Press
    • Data Source
      KAKENHI-PROJECT-20340030
  • [Journal Article] Nonlinear Resolvents and Decreasing Loewner Chains2024

    • Author(s)
      Hotta Ikkei、Schleissinger Sebastian、Sugawa Toshiyuki
    • Journal Title

      The Journal of Geometric Analysis

      Volume: 34 Issue: 4 Pages: 99-99

    • DOI

      10.1007/s12220-023-01544-y

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K03632, KAKENHI-PROJECT-23K25775
  • [Journal Article] Completely monotone sequences and harmonic mappings2022

    • Author(s)
      Long Bo-Yong、Sugawa Toshiyuki、Wang Qi-Han
    • Journal Title

      Annales Fennici Mathematici

      Volume: 47 Issue: 1 Pages: 237-250

    • DOI

      10.54330/afm.113314

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] Geometric deduction of the solutions to modular equations2022

    • Author(s)
      Alam Md. Shafiul、Sugawa Toshiyuki
    • Journal Title

      The Ramanujan Journal

      Volume: 59 Issue: 2 Pages: 459-477

    • DOI

      10.1007/s11139-022-00604-1

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-18H01125
  • [Journal Article] Harmonic spirallike functions and harmonic strongly starlike functions2022

    • Author(s)
      Ma Xiu-Shuang、Ponnusamy Saminathan、Sugawa Toshiyuki
    • Journal Title

      Monatshefte fur Mathematik

      Volume: 199 Issue: 2 Pages: 363-375

    • DOI

      10.1007/s00605-022-01708-y

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] Conformally invariant complete metrics2022

    • Author(s)
      SUGAWA TOSHIYUKI、VUORINEN MATTI、ZHANG TANRAN
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society

      Volume: 174 Issue: 2 Pages: 273-300

    • DOI

      10.1017/s030500412200024x

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-18H01125
  • [Journal Article] Intrinsic Geometry and Boundary Structure of Plane Domains2021

    • Author(s)
      Rainio O.、Sugawa T.、Vuorinen M.
    • Journal Title

      Siberian Mathematical Journal

      Volume: 62 Issue: 4 Pages: 691-706

    • DOI

      10.1134/s0037446621040121

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Journal Article] Sharp inequalities for logarithmic coefficients and their applications2021

    • Author(s)
      Ponnusamy Saminathan、Sugawa Toshiyuki
    • Journal Title

      Bulletin des Sciences Math?matiques

      Volume: 166 Pages: 102931-102931

    • DOI

      10.1016/j.bulsci.2020.102931

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] On the Ninth Coefficient of the Inverse of a Convex Function2021

    • Author(s)
      Sugawa Toshiyuki
    • Journal Title

      Mathematics

      Volume: 9 Issue: 7 Pages: 706-706

    • DOI

      10.3390/math9070706

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Journal Article] On the hyperbolic distance of n-times punctured spheres2020

    • Author(s)
      Sugawa Toshiyuki、Vuorinen Matti、Zhang Tanran
    • Journal Title

      Journal d'Analyse Mathematique

      Volume: 141 Issue: 2 Pages: 663-687

    • DOI

      10.1007/s11854-020-0112-9

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Journal Article] Geometric properties of the nonlinear resolvent of holomorphic generators2020

    • Author(s)
      Elin Mark、Shoikhet David、Sugawa Toshiyuki
    • Journal Title

      Journal of Mathematical Analysis and Applications

      Volume: 483 Issue: 2 Pages: 123614-123614

    • DOI

      10.1016/j.jmaa.2019.123614

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] Teichmuller’s Theorem in Higher Dimensions and Its Applications2020

    • Author(s)
      Golberg Anatoly、Sugawa Toshiyuki、Vuorinen Matti
    • Journal Title

      Computational Methods and Function Theory

      Volume: 20 Issue: 3-4 Pages: 539-558

    • DOI

      10.1007/s40315-020-00340-x

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] Characterizations for inner functions in certain function spaces2019

    • Author(s)
      Atte Reijonen and Toshiyuki Sugawa
    • Journal Title

      Complex Analysis and Operator Theory

      Volume: 13 Issue: 4 Pages: 1853-1871

    • DOI

      10.1007/s11785-018-0863-9

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] Schur parameters and Caratheodory class2019

    • Author(s)
      Ming Li and Toshiyuki Sugawa
    • Journal Title

      Result Math.

      Volume: 74-185 Issue: 4 Pages: 1-13

    • DOI

      10.1007/s00025-019-1107-7

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] An Extremal Problem for Univalent Functions2019

    • Author(s)
      SUGAWA Toshiyuki、WANG Li-Mei
    • Journal Title

      IIS

      Volume: 25 Issue: 1 Pages: 45-52

    • DOI

      10.4036/iis.2019.A.04

    • NAID

      130007720016

    • ISSN
      1340-9050, 1347-6157
    • Language
      English
    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] Hereditarily non-uniformly perfect sets2019

    • Author(s)
      R. Stankewitz, T. Sugawa and H. Sumi
    • Journal Title

      Discrete and Continuous Dynamical Systems Ser. S.

      Volume: 12 Issue: 8 Pages: 2391-2402

    • DOI

      10.3934/dcdss.2019150

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K03441, KAKENHI-PROJECT-17H02849, KAKENHI-PROJECT-19K21834, KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-18H03671
  • [Journal Article] Hornich operations on functions of bounded boundary rotations of order α2019

    • Author(s)
      S. Ponnusamy, S. K. Sahoo and T. Sugawa
    • Journal Title

      Comput. Methods Func. Theory

      Volume: 19 Issue: 3 Pages: 455-472

    • DOI

      10.1007/s40315-019-00276-x

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847
  • [Journal Article] Coefficient estimates of analytic endomorphisms of the unit disk fixing a point with applications to concave functions2018

    • Author(s)
      R. Ohno and T. Sugawa
    • Journal Title

      Kyoto J. Math.

      Volume: 58 Issue: 2 Pages: 227-241

    • DOI

      10.1215/21562261-2017-0015

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] A note on successive coefficients of convex functions2017

    • Author(s)
      Ming LI, Toshiyuki Sugawa
    • Journal Title

      Comput. Methods Func. Theory

      Volume: 17 Issue: 2 Pages: 179-193

    • DOI

      10.1007/s40315-016-0177-8

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933
  • [Journal Article] Analytic and geometric properties of open door functions2017

    • Author(s)
      Ming Li and Toshiyuki Sugawa
    • Journal Title

      J. Korean Math. Soc.

      Volume: 54 Pages: 267-280

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Journal Article] A construction of trivial Beltrami coefficients2017

    • Author(s)
      Sugawa Toshiyuki
    • Journal Title

      Proceedings of the American Mathematical Society

      Volume: 未定 Issue: 2 Pages: 629-635

    • DOI

      10.1090/proc/13965

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K13441, KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] Spherical convexity and hyperbolic metric2017

    • Author(s)
      Toshiyuki Sugawa
    • Journal Title

      Journal of Analysis

      Volume: 印刷中 Issue: 1 Pages: 167-175

    • DOI

      10.1007/s41478-016-0013-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Journal Article] Filtration of Semi-complete Vector Fields Revisited2017

    • Author(s)
      Elin Mark、Shoikhet David、Sugawa Toshiyuki
    • Journal Title

      Complex Analysis and Dynamical Systems

      Volume: - Pages: 93-102

    • DOI

      10.1007/978-3-319-70154-7_6

    • ISBN
      9783319701530, 9783319701547
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-16H03933
  • [Journal Article] Spirallikeness of shifted hypergeometric functions2017

    • Author(s)
      Toshiyuki Sugawa, Li-Mei Wang
    • Journal Title

      Ann. Acad. Sci. Fenn. Math.

      Volume: 42 Pages: 963-977

    • DOI

      10.5186/aasfm.2017.4257

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-15K13441, KAKENHI-PROJECT-16H03933
  • [Journal Article] Analytic and geometric properties of open door functions2017

    • Author(s)
      M. Li and T. Sugawa
    • Journal Title

      J. Korean Math. Soc

      Volume: 54 Pages: 267-280

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Journal Article] Construction of nearly hyperbolic distance on punctured spheres2017

    • Author(s)
      Sugawa Toshiyuki、Zhang Tanran
    • Journal Title

      Bulletin of Mathematical Sciences

      Volume: 未定 Issue: 2 Pages: 307-323

    • DOI

      10.1007/s13373-017-0111-z

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441, KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02847
  • [Journal Article] Geometric properties of the shifted hypergeometric functions2017

    • Author(s)
      Toshiyuki Sugawa, Li-Mei Wang
    • Journal Title

      Complex Analysis and Operator Theory

      Volume: 11 Issue: 8 Pages: 1879-1893

    • DOI

      10.1007/s11785-017-0674-4

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092, KAKENHI-PROJECT-17H02847, KAKENHI-PROJECT-15K13441, KAKENHI-PROJECT-16H03933
  • [Journal Article] Quasiconformal extension of meromorphic functions with nonzero pole2016

    • Author(s)
      B. Bhowmik, G. Satpati, T. Sugawa
    • Journal Title

      Proc. Amer. Math. Soc.

      Volume: 144 Issue: 6 Pages: 2593-2601

    • DOI

      10.1090/proc/12933

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015, KAKENHI-PROJECT-16H03933
  • [Journal Article] Spherical density of hyperbolic metric and uniform perfectness2015

    • Author(s)
      Toshiyuki Sugawa
    • Journal Title

      Journal of Analysis

      Volume: 21 Pages: 159-168

    • Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] Some extensions of the Open Door Lemma2015

    • Author(s)
      Ming Li and Toshiyuki Sugawa
    • Journal Title

      Stud. Univ. Babes-Bolyai Math.

      Volume: 60 Pages: 421-430

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Journal Article] Variability regions of close-to-convex functions2014

    • Author(s)
      Takao Kato, Toshiyuki Sugawa and Li-Mei Wang
    • Journal Title

      Ann. Polon. Math.

      Volume: 111 Issue: 1 Pages: 89-105

    • DOI

      10.4064/ap111-1-7

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-25287015
  • [Journal Article] Radius problems associated with pre-Schwarzian and Schwarzian derivatives2014

    • Author(s)
      S. Ponnusamy, S. K. Sahoo and T. Sugawa
    • Journal Title

      Analysis

      Volume: 34 Issue: 2 Pages: 163-171

    • DOI

      10.1515/anly-2012-1219

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-25287015
  • [Journal Article] Univalence criteria and analogs of the John constant2013

    • Author(s)
      Yong Chan Kim, Toshiyuki Sugawa
    • Journal Title

      Bull. Austr. Math. Soc.

      Volume: 88 Issue: 3 Pages: 423-434

    • DOI

      10.1017/s0004972712000962

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-25287015
  • [Journal Article] Univalent functions with half-integral coefficients2013

    • Author(s)
      Naoki Hiranuma and Toshiyuki Sugawa
    • Journal Title

      Computational Methods and Function Theory

      Volume: 13 Issue: 1 Pages: 133-151

    • DOI

      10.1007/s40315-013-0009-z

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-25287015
  • [Journal Article] On μ-conformal homeomorphisms and boundary correspondence2013

    • Author(s)
      Vladimir Gutlyanskii, Ken-ichi Sakan, Toshiyuki Sugawa
    • Journal Title

      Complex Var. Elliptic Equ.

      Volume: 58 Issue: 7 Pages: 947-962

    • DOI

      10.1080/17476933.2011.613116

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-25287015
  • [Journal Article] Quasiconformal extension of strongly spirallike functions2012

    • Author(s)
      T. Sugawa
    • Journal Title

      Comput. Methods Func. Theory

      Volume: 12 Pages: 19-30

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] Quasiconformal extension of strongly spirallike functions2012

    • Author(s)
      T. Sugawa
    • Journal Title

      Computational Methods and Function Theory

      Volume: 12 Pages: 19-30

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] On a multi-point Schwarz-Pick lemma2012

    • Author(s)
      Kyung Hyun Cho, Seong-A Kim and T. Sugawa
    • Journal Title

      Computational Methods and Function Theory

      Volume: 12 Pages: 483-499

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] On a multi-point Schwarz-Pick lemma2012

    • Author(s)
      Kyung Hyun Cho, Seong-A Kim and T. Sugawa
    • Journal Title

      Comput. Methods Func. Theory

      Volume: 12 Pages: 483-499

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] A Remark on Löwner's Theorem2012

    • Author(s)
      Y.C.Kim
    • Journal Title

      IIS

      Volume: 18 Issue: 1 Pages: 19-22

    • DOI

      10.4036/iis.2012.19

    • NAID

      130001916205

    • ISSN
      1340-9050, 1347-6157
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] On power deformations of univalent functions2012

    • Author(s)
      Y.C.Kim
    • Journal Title

      Monatsh. Math.

      Volume: 167 Issue: 2 Pages: 231-240

    • DOI

      10.1007/s00605-011-0344-y

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Quasiconformal extension of strongly spirallike functions2012

    • Author(s)
      T. Sugawa
    • Journal Title

      Comput. Methods Func. Theory

      Volume: 12 Pages: 19-30

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Journal Article] On univalence of the power deformation z(f(z)/z)^c2012

    • Author(s)
      Y. C. Kim and T. Sugawa
    • Journal Title

      Chinese Ann. Math., Ser. B

      Volume: 33 Issue: 6 Pages: 823-830

    • DOI

      10.1007/s11401-012-0750-z

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Correspondence between spirallike functions and starlike functions2012

    • Author(s)
      Y.C.Kim and T. Sugawa
    • Journal Title

      Math. Nachr.

      Volume: 285 Issue: 2-3 Pages: 322-331

    • DOI

      10.1002/mana.201010020

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Metrics with conical singularities on the sphere and sharp extensions of the theorems of Landau and Schottky2011

    • Author(s)
      D.Klaus, O.Roth, T.Sugawa
    • Journal Title

      Math.Z.

      Volume: 267 Issue: 3-4 Pages: 851-868

    • DOI

      10.1007/s00209-009-0649-x

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Invariant Schwarzian derivatives of higher order2011

    • Author(s)
      S.A Kim, T.Sugawa
    • Journal Title

      Complex Analysis and Operator Theory

      Volume: 5 Issue: 3 Pages: 659-670

    • DOI

      10.1007/s11785-010-0081-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Geometric invariants associated with projective structures and univalence criteria2011

    • Author(s)
      Seong-A Kim, T.Sugawa
    • Journal Title

      Tohoku Math.J.

      Volume: 63 Pages: 41-57

    • NAID

      110008425968

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] Hardy spaces and unbounded quasidisks2011

    • Author(s)
      Y.C.Kim, T.Sugawa
    • Journal Title

      Ann.Acad.Sci.Fenn.Math.

      Volume: 36 Pages: 291-300

    • DOI

      10.5186/aasfm.2011.3618

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340028
  • [Journal Article] Sharp norm estimate of Schwarzian derivative for a class of convex functions2011

    • Author(s)
      S.Kanas, T.Sugawa
    • Journal Title

      Ann.Polon.Math.

      Volume: 101 Issue: 1 Pages: 75-86

    • DOI

      10.4064/ap101-1-8

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340028
  • [Journal Article] Hardy spaces and unbounded quasidisks2011

    • Author(s)
      Y.C.Kim, T.Sugawa
    • Journal Title

      Ann.Acad.Sci.Fenn.Math.

      Volume: 36 Pages: 41-57

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] GEOMETRIC INVARIANTS ASSOCIATED WITH PROJECTIVE STRUCTURES AND UNIVALENCE CRITERIA2011

    • Author(s)
      S.A Kim, T.Sugawa
    • Journal Title

      Tohoku Mathematical Journal, Second Series

      Volume: 63 Issue: 1 Pages: 41-57

    • DOI

      10.2748/tmj/1303219935

    • NAID

      110008425968

    • ISSN
      0040-8735, 2186-585X
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20244007, KAKENHI-PROJECT-22340025, KAKENHI-PROJECT-22340028
  • [Journal Article] Hardy spaces and unbounded quasidisks2011

    • Author(s)
      Yong Chan Kim, T.Sugawa
    • Journal Title

      Ann.Acad.Sci.Fenn.Math.

      Volume: 3 Pages: 291-300

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] A conformally invariant metric on Riemann surfaces associated with integrable holomorphic quadratic differentials2010

    • Author(s)
      T.Sugawa
    • Journal Title

      Math.Z.

      Volume: 266 Pages: 645-664

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] Twice-punctured hyperbolic sphere with a conical singularity and generalized elliptic integral2010

    • Author(s)
      G.D.Anderson ,T.Sugawa, M.K.Vamanamurthy, M.Vuorinen
    • Journal Title

      Math.Z.

      Volume: 266 Pages: 181-191

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] A conformally invariant metric on Riemann surfaces associated with integrable holomorphic quadratic differentials2010

    • Author(s)
      Toshiyuki Sugawa
    • Journal Title

      Math.Z.

      Volume: 266 Pages: 645-664

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] A conformally invariant metric on Riemann surfaces associated with integrable holomorphic quadratic differentials2010

    • Author(s)
      T.Sugawa
    • Journal Title

      Math.Z.

      Volume: 266 Pages: 645-664

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] Twice-punctured hyperbolic sphere with a conical singularity and generalized elliptic integral2010

    • Author(s)
      Anderson, Sugawa, Vamanamurthy, Vuorinen
    • Journal Title

      Math.Z.

      Volume: 266 Pages: 181-191

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Journal Article] Cardioids and Teichmuller spaces2010

    • Author(s)
      T.Sugawa
    • Journal Title

      Ramanujan Math.Soc.Lecture Notes Series in Mathematics

      Volume: 10 Pages: 583-596

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Journal Article] Uniformly locally univalent functions and Hardy spaces2009

    • Author(s)
      Yong Chan Kim, and T. Sugawa
    • Journal Title

      J.Math.Anal.Appl 353

      Pages: 61-67

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] A coefficient inequality for Bloch functions with applications to uniformly locally univalent functions2009

    • Author(s)
      T. Sugawa and T. Terada
    • Journal Title

      Monatsh. Math 156

      Pages: 167-173

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] Completely monotone sequences and universally prestarlike functions2009

    • Author(s)
      Ruscheweyh, Stephan Salinas, Luis Sugawa, Toshiyuki
    • Journal Title

      Israel J.Math. 171

      Pages: 286-304

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] Uniformly locally univalent functions and Hardy spaces2009

    • Author(s)
      Kim, Yong Chan Sugawa, Toshiyuki
    • Journal Title

      J.Math.Anal.Appl. 353-no.1

      Pages: 61-67

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] Completely monotone sequences and universally prestarlike functions2009

    • Author(s)
      St.Ruscheweyh, L.Salinas, T.Sugawa
    • Journal Title

      Israel J.Math. 171

      Pages: 285-304

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] A coefficient inequality for Bloch functions with applications to uniformly locally univalent functions2009

    • Author(s)
      T. Terada, and T. Sugawa
    • Journal Title

      Monatsh. Math. 156

      Pages: 167-173

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Hypergeometric functions and hyperbolic metric2009

    • Author(s)
      G. D. Anderson, T. Sugawa, M. K. Vamanamurthy, and M. Vuorinen
    • Journal Title

      Comput. Methods Funct. Theory 9

      Pages: 269-284

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Uniformly locally univalent functions and Hardy spaces2009

    • Author(s)
      Y.C.Kim T.Sugawa
    • Journal Title

      J.Math.Anal.Appl. 353

      Pages: 61-67

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] A coefficient inequality for Bloch functions with applications to uniformly locally univalent functions2009

    • Author(s)
      Sugawa, Toshiyuki Terada, Takao
    • Journal Title

      Monatsh.Math. 166-no.2

      Pages: 167-173

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] A coefficient inequality for Bloch functions with applications to uniformly locally univalent functions2009

    • Author(s)
      T.Sugawa, T.Terada
    • Journal Title

      Monatsh.Math. 156

      Pages: 167-173

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] Hypergeometric functions and hyperbolic metric2009

    • Author(s)
      G.D.Anderson, T.Sugawa, M.K Vamanamurthy, M.Vuorinen
    • Journal Title

      Comput.Methods Funct.Theory 9

      Pages: 269-284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] A note on Bazilevic functions2009

    • Author(s)
      Y.C.Kim, T.Sugawa
    • Journal Title

      Taiwanese J.Math. 13

      Pages: 1489-1495

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] Hypergeometric functions and hyperbolic metric2009

    • Author(s)
      Anderson, Glen D.Sugawa, Toshiyuki Vamanamurthy, Mavina K.Vuorinen, Matti
    • Journal Title

      Comput.Methods Funct.Theory 9-no.1

      Pages: 269-284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] Hypergeo metric functions and hyperbolic met ric. Comput.2009

    • Author(s)
      Anderson, G.D., Sugawa, T, Vamanamu rthy, M.K., Vuorinen, M
    • Journal Title

      Methods Funct. Theory 9,no.1

      Pages: 269-284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340038
  • [Journal Article] Dual mean value problem for complex polynomials2009

    • Author(s)
      V.Dubinin, T.Sugawa
    • Journal Title

      Proc.Japan Acad.Ser.A Math.Sci. 85

      Pages: 135-137

    • NAID

      40016869168

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] Uniformly locally univalent functions and Hardy spaces2009

    • Author(s)
      Y. C. Kim and T. Sugawa
    • Journal Title

      J. Math. Anal. Appl 9

      Pages: 61-67

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] Hypergeometric functions and hyperbolic metric2008

    • Author(s)
      G. D. Anderson, T. Sugawa, H. K. Vaiananur thy. and H. Vuorinen
    • Journal Title

      Comput. Methods Funct. Theory 9

      Pages: 269-284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] The limiting shape of one-dimensional Teichmuller spaces.2008

    • Author(s)
      Sugawa, T
    • Journal Title

      Proc. Amer. Math. Soc. 136,no.8

      Pages: 2849-2858

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340038
  • [Journal Article] The limiting shape of one-dimensional Teichmuller spaces2008

    • Author(s)
      T. Sugawa
    • Journal Title

      Proceedings of the American Mathematical Society 136

      Pages: 2849-2858

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20340030
  • [Journal Article] The limiting shape of one-dimensional Teichmuller spaces2008

    • Author(s)
      Sugawa, Toshiyuki
    • Journal Title

      Proc. Amer. Math. Soc. 136 no. 8

      Pages: 2849-2858

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19204002
  • [Journal Article] The limiting shape of one-dimensional Teichmuller spaces2008

    • Author(s)
      T. Sugawa
    • Journal Title

      Proc. Amer. Math. Soc. 136

      Pages: 2849-2858

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Norm estimates and univalence criteria for meromorphic functions2008

    • Author(s)
      S.Ponnusamy, T.Sugawa
    • Journal Title

      J.Korean Math.Soc. 45

      Pages: 269-284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] Norm estimates and univalence criteria for meromorphic functions2008

    • Author(s)
      S. Ponnusamy and T. Sugawa
    • Journal Title

      J. Korean Math. Soc 45

      Pages: 1661-1776

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Journal Article] Norm estimates and univalence criteria for meromorphic functions2008

    • Author(s)
      S. Ponnusamy and T. Sugawa
    • Journal Title

      J. Korean Math. Soc. 45

      Pages: 1661-1776

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] A note on a theorem of Chuaqui and Gevirtz2008

    • Author(s)
      Y.C.Kim, T.Sugawa
    • Journal Title

      Ann.Acad.Sci.Fenn.Math. 33

      Pages: 273-279

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] Norm estimates and univalence criteria for meromorphic functions2008

    • Author(s)
      S. Ponnusamy, and T. Sugawa
    • Journal Title

      J. Korean Math. Soc. 45

      Pages: 1661-1676

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] The limiting shape of one-dimensional Teichmueller spac PS2008

    • Author(s)
      T. Sugawa
    • Journal Title

      Proc. Amer. Math. Soc. 136

      Pages: 2849-2858

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] The limiting shape of one-dimensional Teichmuller spaces2008

    • Author(s)
      T.Sugawa
    • Journal Title

      Proc.Amer.Math.Soc. 136

      Pages: 2849-2858

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] A note on a theorem of Chuaqui and Gevirtz2008

    • Author(s)
      Yong Chan Kim, and T. Sugawa
    • Journal Title

      Ann. Acad. Sci. Fenn. Math. 33

      Pages: 273-279

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] A general approach to the Fekete-Szegoe problem2007

    • Author(s)
      J.-H. Choi, Y.-C. Kim, and T. Sugawa
    • Journal Title

      J.Math.Soc.Japan 59

      Pages: 707-727

    • NAID

      10019539942

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Invariant diff erential operators associated with a conformal metric.2007

    • Author(s)
      Kim, S-A, Sugawa, T
    • Journal Title

      Michigan Math. J. 55,no.2

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340038
  • [Journal Article] The Alexander transform of a spirallike function2007

    • Author(s)
      須川 敏幸
    • Journal Title

      Journal Math. Anal. Appl. 325

      Pages: 608-611

    • NAID

      120000878103

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540194
  • [Journal Article] The Alexander transform of a spirallike function2007

    • Author(s)
      Toshiyuki Sugawa
    • Journal Title

      Journal Math.Anal.Appl. 325

      Pages: 608-611

    • NAID

      120000878103

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540194
  • [Journal Article] Invariant differential operators associated with a conformal metric2007

    • Author(s)
      Seong-A Kim, and T. Sugawa
    • Journal Title

      Michigan Math. J. 55

      Pages: 459-479

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] The Alexander transform of a spirallike function2007

    • Author(s)
      Yong Chan Kim, and T. Sugawa
    • Journal Title

      J.Math.Anal.Appl. 325

      Pages: 608-611

    • NAID

      120000878103

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] A general approach to the Fekete-Szego problem2007

    • Author(s)
      J. -H. Choi and Y. -C. Kim, and T. Sugawa
    • Journal Title

      J. Math. Soc. Japan 59

      Pages: 707-727

    • NAID

      10019539942

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] Invariant differential operators associated with a conformal metric2007

    • Author(s)
      Seong-A Kim and T. Sugawa
    • Journal Title

      Michigan Math. J 55

      Pages: 459-479

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Journal Article] Strong starlikeness for a class of convex functions2007

    • Author(s)
      S. Kanas, and T. Sugawa
    • Journal Title

      J.Math.Anal.Appl. 336

      Pages: 1005-1017

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Geometric function theory and Smale's mean value conjecture2006

    • Author(s)
      E. Fujikawa, and T. Sugawa
    • Journal Title

      Proc. Japan Acad. 82 Ser. A, NO.7

      Pages: 97-100

    • NAID

      40007482348

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Drawing Bers embeddings of the Teichmuller space of once-punctured tori2006

    • Author(s)
      Y. Komori, T. Sugawa, M. Wada, and Y. Yamashita
    • Journal Title

      Exper. Math 15

      Pages: 51-60

    • NAID

      110000164658

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Drawing Bersembedding of the Teichmullen space of Once-punctured tori2006

    • Author(s)
      Y.Komori, T.Sugawa, M.Wada, Y.Yamashita
    • Journal Title

      Experimental Math. 15

      Pages: 51-60

    • Data Source
      KAKENHI-PROJECT-16340036
  • [Journal Article] A conformal invariant for non-vanishing analytic functions and its applications2006

    • Author(s)
      Yong Chan Kim, and T. Sugawa
    • Journal Title

      Michigan Math. J. 54

      Pages: 393-410

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Norm estimates of the pre-Schwarzian derivatives for certain classes of univalent functions2006

    • Author(s)
      Yong Chan Kim, and T. Sugawa
    • Journal Title

      Proc. Edinburgh Math. Soc. 49

      Pages: 131-143

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] On conformal representations of the interior of an ellipse2006

    • Author(s)
      S. Kanas, and T. Sugawa
    • Journal Title

      Ann. Acad. Sci. Fenn. Math. 31

      Pages: 329-348

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Some inequalities for the Poincare metric of plane domains2005

    • Author(s)
      T.Sugawa
    • Journal Title

      Math. Z. 250-4

      Pages: 885-906

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16340048
  • [Journal Article] Some inequalities for the Poincare metric of plane domains2005

    • Author(s)
      Toshiyuki Sugawa et al.
    • Journal Title

      Mathematische Zeitschrift 250

      Pages: 885-906

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Characterizations of hyperbolically convex regions2005

    • Author(s)
      Seong-A Kim, T.Sugawa
    • Journal Title

      Journal of Mathematical Analysis and Applications (印刷中)

    • NAID

      120000878153

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] On the degenerate Beltrami equation2005

    • Author(s)
      Gutlyanskii, Marito, Sugawa, Vuorinen
    • Journal Title

      Transactions of the American Mathematical Society 357

      Pages: 875-900

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] A self-duality of strong starlikeness2005

    • Author(s)
      T. Sugawa
    • Journal Title

      Kodai Math. J. 28

      Pages: 382-389

    • NAID

      130003574499

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Some inequaities for the Poincare metric of plane domains2005

    • Author(s)
      T. Sugawa, and M. Vuorinen
    • Journal Title

      Math. Z 250

      Pages: 885-906

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Characterizations of hyperbolically convex regions2005

    • Author(s)
      T. Sugawa, Seong-A Kim
    • Journal Title

      J. Math. Anal. Appl. 309

      Pages: 37-51

    • NAID

      120000878153

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Norm estimates for the Alexander transforms of convex functions of order alpha2005

    • Author(s)
      J.H.Choi, Y.C.Kim, S.Ponnusamy, T.Sugawa
    • Journal Title

      Journal of Mathematical Analysis and Applications 303

      Pages: 661-668

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] Some inequalities for the Poincare metric on the plane domains2005

    • Author(s)
      T.Sugawa
    • Journal Title

      Math.Z. 250・4

      Pages: 885-906

    • Data Source
      KAKENHI-PROJECT-16654029
  • [Journal Article] Some inequalities for the Poincare metric of plane domains2005

    • Author(s)
      T.Sugawa
    • Journal Title

      Math. Z. 250・4

      Pages: 885-906

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16340048
  • [Journal Article] On the degenerate Beltrami equation2005

    • Author(s)
      V. Gutlyanskii, O. Martio, T. Sugawa, and M. Vuorinen
    • Journal Title

      Trans. Amer. Math. Soc. 357

      Pages: 875-900

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Norm estimates for the Alexander transforms of convex functions of order alpha2005

    • Author(s)
      J.-H. Choi, Y.-C. Kim, S. Ponnusamy, and T. Sugawa
    • Journal Title

      J.Math.Anal.Appl. 303

      Pages: 661-668

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] Some inequalities for the Poincare metric of plane domains2005

    • Author(s)
      T.Sugawa
    • Journal Title

      Math.Z. 250・4

      Pages: 885-906

    • Data Source
      KAKENHI-PROJECT-16340048
  • [Journal Article] Bers embedding of the Teichmuller space2004

    • Author(s)
      Y.Komori, T.Sugawa
    • Journal Title

      Conform.Geom.Dyn. 8

      Pages: 115-142

    • Data Source
      KAKENHI-PROJECT-16340036
  • [Journal Article] Bers embedding of the Teichmuller space of a once-punctured tours2004

    • Author(s)
      Y.Komori, T.Sugawa
    • Journal Title

      Conformal Geometry and Dynamics 8

      Pages: 115-142

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] Geometric properties of nonlinear integral operators and pre-Schwarzian derivatives2004

    • Author(s)
      Y.C.Kim, S.Ponnusamy, T.Sugawa
    • Journal Title

      Proceedings of the Japan Academy Series A 80, No.5

      Pages: 57-60

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] Some counterexamples in dynamics of rational semigroups2004

    • Author(s)
      R.Stankewitz, H.Sumi, T.Sugawa
    • Journal Title

      Ann.Acad.Sci.Fenn.A I Math. 29

      Pages: 357-366

    • Data Source
      KAKENHI-PROJECT-14740100
  • [Journal Article] Completely monotone sequences and universally prestarlike functions

    • Author(s)
      St. Ruscheweyh, L. Salinas, and T. Sugawa
    • Journal Title

      to appear in Israel J. Math.

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Journal Article] A note on Bazilevic functions

    • Author(s)
      Yong Chan Kim, T. and Sugawa
    • Journal Title

      to appear in Taiwanese J. Math.

    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Harmonic spirallike functions and harmonic strongly starlike functions2022

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      University of Warmia and Mazury in Olsztyn, Poland (Online), VIII International Conference "Congressio-Mathematica"
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Geometric approach to generalized modular equations2022

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Valparaiso, Chile (online), CMFT 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] 一般化モジュラー方程式の解の幾何的導出について2022

    • Author(s)
      Alam Md. Shafiul、Sugawa Toshiyuki
    • Organizer
      日本数学会秋季総合分科会函数論分科会
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Internal geometry and boundary structure of a domain2021

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Complex Analysis and its Applications at Gelendzhik, Russia
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Nonlinear resolvents for semigroups on the upper half-plane2021

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Cluj-Napoca, Romania (online), Geometric Function Theory in Several Complex Variables and Complex Banach Spaces
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Schur parameters and the space of finite Blaschke products2019

    • Author(s)
      T. Sugawa
    • Organizer
      15th Romanian-Finnish Analysis Seminar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Separation theorems of Teichmuller type2019

    • Author(s)
      T. Sugawa
    • Organizer
      27th ICFIDCAA
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Separation theorems of Teichmuller type2019

    • Author(s)
      T. Sugawa
    • Organizer
      27th ICFIDCAA, Siberian Federal University, Krasnoyarsk, Russia
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Separation theorems of Teichmuller type2019

    • Author(s)
      須川敏幸
    • Organizer
      27th ICFIDCAA
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Schur parameters and the space of finite Blaschke products2019

    • Author(s)
      T. Sugawa
    • Organizer
      15th Romanian-Finnish Analysis Seminar, University of Turku, Finland
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Schur parameters and the space of finite Blaschke products2019

    • Author(s)
      須川敏幸
    • Organizer
      15th Romanian-Finnish Analysis Seminar
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Nonlinear resolvent and inverse Loewner equations2018

    • Author(s)
      T. Sugawa
    • Organizer
      International Symposium on Geometric Function Theory 2018, Hunan Normal University, Changsha, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Refinments of Schwarz Lemma and their applications to concave functions2018

    • Author(s)
      T. Sugawa
    • Organizer
      Complex Analysis and its Applications, Gelendzhik, Russia
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Coefficient problems on bounded functions on the unit disk2018

    • Author(s)
      T. Sugawa
    • Organizer
      26th ICFIDCAA, Fuzhou, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Nonlinear resolvent and inverse Loewner equations2018

    • Author(s)
      T. Sugawa
    • Organizer
      International Symposium on Geometric Function Theory 2018, Hunan Normal University, Changsha, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] The Schur parameters and their applications2018

    • Author(s)
      T. Sugawa
    • Organizer
      XIX Conference on Analytic Functions and Related Topics, Rzeszow, Poland
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Coefficient problems on bounded functions on the unit disk2018

    • Author(s)
      T. Sugawa
    • Organizer
      26th ICFIDCAA, Fuzhou, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Nonlinear resolvent and inverse L_wner equations2018

    • Author(s)
      T. Sugawa
    • Organizer
      International Symposium on Geometric Function Theory 2018, Hunan Normal University, Changsha, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Aharonov invariants revisited2018

    • Author(s)
      T. Sugawa
    • Organizer
      Perspectives in Modern Analysis, Holon Institute of Technology, Israel
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] The Schur parameters and their applications2018

    • Author(s)
      T. Sugawa
    • Organizer
      XIX Conference on Analytic Functions and Related Topics, Rzeszow, Poland
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Refinments of Schwarz Lemma and their applications to concave functions2018

    • Author(s)
      T. Sugawa
    • Organizer
      Complex Analysis and its Applications, Gelendzhik, Russia
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] The Schur parameters and their applications2018

    • Author(s)
      T. Sugawa
    • Organizer
      XIX Conference on Analytic Functions and Related Topics, Rzeszow, Poland
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Coefficient problems on bounded functions on the unit disk2018

    • Author(s)
      T. Sugawa
    • Organizer
      26th ICFIDCAA, Fuzhou, China
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Aharonov invariants revisited2018

    • Author(s)
      T. Sugawa
    • Organizer
      Perspectives in Modern Analysis, Holon Institute of Technology, Israel
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] 双曲的穴あき球面の最短閉測地線の長さについて2018

    • Author(s)
      須川敏幸,張坦然
    • Organizer
      日本数学会秋季総合分科会函数論分科会(岡山大学)
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] Aharonov invariants revisited2018

    • Author(s)
      T. Sugawa
    • Organizer
      Perspectives in Modern Analysis, Holon Institute of Technology, Israel
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Refinments of Schwarz Lemma and their applications to concave functions2018

    • Author(s)
      T. Sugawa
    • Organizer
      Complex Analysis and its Applications, Gelendzhik, Russia
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] 双曲的穴あき球面の最短閉測地線の長さについて2018

    • Author(s)
      須川敏幸,張坦然
    • Organizer
      日本数学会秋季総合分科会函数論分科会、岡山大学、岡山県
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] 超幾何函数の幾何的性質について2017

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会秋季総合分科会函数論分科会(山形大学)
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] An application of the Loewner theory to trivial Beltrami oefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Complex and Harmonic Analysis III (Holon Institute of Technology, Israel)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Convexity of domains and its characterization with respect to various metrics2017

    • Author(s)
      T. Sugawa
    • Organizer
      25th ICFIDCAA (University of Hong Kong, Hong Kong)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] An application of the Loewner theory to trivial Beltrami oefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Complex and Harmonic Analysis III, Holon Institute of Technology, Israel
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] 超幾何函数の幾何的性質について2017

    • Author(s)
      T. Sugawa
    • Organizer
      日本数学会秋季総合分科会函数論分科会、山形大学、山形県
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Convexity of domains and its characterization with respect to various metrics2017

    • Author(s)
      T. Sugawa
    • Organizer
      25th ICFIDCAA, University of Hong Kong, Hong Kong
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Hyperbolic-type distance on punctured spheres2017

    • Author(s)
      T. Sugawa
    • Organizer
      CMFT 2017 (Maria Curie-Sklodowska University, Lublin, Poland)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Hyperbolic-type distance on punctured spheres2017

    • Author(s)
      T. Sugawa
    • Organizer
      CMFT 2017, Maria Curie-Sklodowska University, Lublin, Poland
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] An application of the Loewner theory to trivial Beltrami oefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Complex and Harmonic Analysis III (Holon Institute of Technology, Israel)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] 双曲計量による領域の凸性の特徴づけ (王利梅氏との共同研究)2017

    • Author(s)
      T. Sugawa
    • Organizer
      日本数学会秋季総合分科会函数論分科会、山形大学、山形県
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Polygonal construction of Riemann surfaces and Teichmuller spaces2017

    • Author(s)
      T. Sugawa
    • Organizer
      「リーマン面・不連続群論」研究集会
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] An application of the Loewner theory to trivial Beltrami coefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Conference on harmonic mappings and quasiconformal mappings
    • Place of Presentation
      アモイ(中国)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] An application of the Loewner theory to trivial Beltrami coefficients2017

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Conference on harmonic mappings and quasiconformal mappings
    • Place of Presentation
      華僑大学厦門キャンパス
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] An application of the Loewner theory to trivial Beltrami oefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Complex and Harmonic Analysis III (Holon Institute of Technology, Israel)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] 超幾何函数の幾何的性質について2017

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会秋季総合分科会函数論分科会(山形大学)
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] 双曲計量による領域の凸性の特徴づけ2017

    • Author(s)
      須川敏幸, 王利梅
    • Organizer
      日本数学会秋季総合分科会函数論分科会(山形大学)
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Convexity of domains and its characterization with respect to various metrics2017

    • Author(s)
      T. Sugawa
    • Organizer
      25th ICFIDCAA (Hong Kong)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01092
  • [Presentation] Polygonal construction of Riemann surfaces and Teichmueller spaces2017

    • Author(s)
      須川敏幸
    • Organizer
      「リーマン面・不連続群論」研究集会
    • Place of Presentation
      東北大学片平さくらホール
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Hyperbolic-type distance on punctured spheres2017

    • Author(s)
      T. Sugawa
    • Organizer
      CMFT 2017 (Maria Curie-Sklodowska University, Lublin, Poland)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] An application of the Loewner theory to trivial Beltrami coefficients2017

    • Author(s)
      T. Sugawa
    • Organizer
      Conference on harmonic mappings and quasiconformal mappings
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Convexity of domains and its characterization with respect to various metrics2017

    • Author(s)
      T. Sugawa
    • Organizer
      25th ICFIDCAA (University of Hong Kong, Hong Kong)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] 双曲計量による領域の凸性の特徴づけ2017

    • Author(s)
      須川敏幸, 王利梅
    • Organizer
      日本数学会秋季総合分科会函数論分科会(山形大学)
    • Data Source
      KAKENHI-PROJECT-17H02847
  • [Presentation] シュワルツ微分の幾何と解析2016

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会年会
    • Place of Presentation
      筑波大学
    • Year and Date
      2016-03-16
    • Invited
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] On the modulus of the exterior of a quadrangle2016

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Workshop on Geometric Function Theory and Special Functions
    • Place of Presentation
      東北大学情報科学研究科
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Successive coefficients of convex functions on the unit disk2016

    • Author(s)
      T. Sugawa
    • Organizer
      XVIII-th Conference on Analytic Functions and Related Topics
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] On the modulus of the exterior of a quadrangle2016

    • Author(s)
      T. Sugawa
    • Organizer
      Workshop on Geometric Function Theory and Special Functions
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Spirallikeness of hypergeometric functions2016

    • Author(s)
      T. Sugawa
    • Organizer
      International Conference on Complex Analysis and Related Topics, the 14th Romanian-Finnish Seminar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H03933
  • [Presentation] Spirallikeness of hypergeometric functions2016

    • Author(s)
      T. Sugawa
    • Organizer
      The 14th Romanian-Finnish Seminar
    • Place of Presentation
      ブカレスト(ルーマニア)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Successive coefficients of convex functions on the unit disk2016

    • Author(s)
      T. Sugawa
    • Organizer
      XVIIIth Conference on Analytic Functions and Related Topics
    • Place of Presentation
      ヘウム(ポーランド)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Hornich operations and related function spaces2015

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Operator Theory and Its Applications
    • Place of Presentation
      慶北大学校
    • Year and Date
      2015-08-10
    • Invited
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Uniform perfectness and convexity in spherical geometry2015

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Modern Aspects of Complex Geometry
    • Place of Presentation
      シンシナチ(アメリカ)
    • Year and Date
      2015-05-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Hornich operations and related function spaces2015

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Operator Theory and Its Applications
    • Place of Presentation
      大邱広域市(韓国)
    • Year and Date
      2015-08-10
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Hyperbolic-type distance on punctured spheres2015

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      23rd ICFIDCAA(第23回有限無限次元複素解析国際会議)
    • Place of Presentation
      九州産業大学
    • Year and Date
      2015-08-24
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Uniform perfectness and convexity in spherical geometry2015

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Modern Aspects of Complex Geometry
    • Place of Presentation
      University of Cincinnati
    • Year and Date
      2015-05-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13441
  • [Presentation] Variability regions of log[f(z)/z] for a class of univalent functions with application to some extremal problems2014

    • Author(s)
      T. Sugawa
    • Organizer
      Workshop on Analytic Functions and Applied Mathematics
    • Place of Presentation
      University of Rzeszow(ポーランド)
    • Year and Date
      2014-07-04
    • Invited
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Hyperbolic metric with conic singularities on Riemann surfaces and its applications2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Workshop on Complex Geometry
    • Place of Presentation
      University of Hong Kong, Hong Kong
    • Year and Date
      2014-07-29
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Extremal problems for close-to-convex functions2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      22nd ICFIDCAA
    • Place of Presentation
      Dongguk University, Korea
    • Year and Date
      2014-08-08
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] An application of the Loewner theory to trivial Beltrami coefficients2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      International Workshop on Conformal Dynamics and Loewner Theory
    • Place of Presentation
      Tokyo Institute of Technology(東京都目黒区)
    • Year and Date
      2014-11-22
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Variability regions of log[f(z)/z] for a class of univalent functions with application to some extremal problems2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Workshop on Analytic Functions and Applied Mathematics
    • Place of Presentation
      University of Rzeszow, Poland
    • Year and Date
      2014-07-04
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] A note on trivial Beltrami coefficients2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      XVII-th Conference on Analytic Functions and Related Topics
    • Place of Presentation
      The State School of Higher Education in Chelm, Poland
    • Year and Date
      2014-06-30
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Variability regions of log[f(z)/z] for a class of univalent functions with application to some extremal problems2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Workshop on Analytic Functions and Applied Mathematics
    • Place of Presentation
      University of Rzeszow, Poland
    • Year and Date
      2014-07-04
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] A note on trivial Beltrami coefficients2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      XVII-th Conference on Analytic Functions and Related Topics
    • Place of Presentation
      The State School of Higher Education in Chelm, Poland
    • Year and Date
      2014-06-30
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Hyperbolic metric with conic singularities on Riemann surfaces and its applications2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Workshop on Complex Geometry
    • Place of Presentation
      University of Hong Kong, Hong Kong, China
    • Year and Date
      2014-07-29
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Extremal problems for close-to-convex functions2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      22nd ICFIDCAA
    • Place of Presentation
      Dongguk University, Korea
    • Year and Date
      2014-08-08
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] A note on trivial Beltrami coefficients2014

    • Author(s)
      T. Sugawa
    • Organizer
      XVII-th Conference on Analytic Functions and Related Topics
    • Place of Presentation
      The State School of Higher Education in Chelm (ポーランド)
    • Year and Date
      2014-06-30
    • Invited
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] An application of the Loewner theory to trivial Beltrami coefficients2014

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      International Workshop on Conformal Dynamics and Loewner Theory
    • Place of Presentation
      東京工業大学
    • Year and Date
      2014-11-22
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Schwarz-Christoffel formula for the exterior of a quadrangle2013

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      The 2nd Chinese-Finnish Seminar
    • Place of Presentation
      University of Turku, フィンランド
    • Invited
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Hyperbolic metric on a Riemann surface with conical singularitie2013

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      21th ICFIDCAA
    • Place of Presentation
      Nanjing University, 中国
    • Invited
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] An attempt to characterize quasidisks in terms of zf'(z)/f(z)2013

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Conference on Geometric Function Theory
    • Place of Presentation
      University of Belgrade, セルビア
    • Invited
    • Data Source
      KAKENHI-PROJECT-25287015
  • [Presentation] Generalizations of the Schwarzian derivative2012

    • Author(s)
      T. Sugawa
    • Organizer
      20th ICFIDCAA
    • Place of Presentation
      Hanoi University of Science and Technology(ベトナム)
    • Invited
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Presentation] シュワルツ微分の一般化 ~不変化と高階化を目指して~2012

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会函数論分科会特別講演
    • Place of Presentation
      九州大学(福岡市)
    • Invited
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Presentation] シュワルツ微分の一般化~不変化と高階化を目指して~2012

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会(特別講演)
    • Place of Presentation
      九州大学(福岡市)
    • Year and Date
      2012-09-18
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Presentation] Power deformations of univalent functions2011

    • Author(s)
      T.Sugawa
    • Organizer
      The 19th ICFIDCAA
    • Place of Presentation
      広島アステールプラザ(招待講演)
    • Year and Date
      2011-12-14
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Power deformations of univalent functions2011

    • Author(s)
      T.Sugawa
    • Organizer
      19th ICFIDCAA
    • Place of Presentation
      広島アステールプラザ(広島市)
    • Year and Date
      2011-12-14
    • Data Source
      KAKENHI-PROJECT-20244007
  • [Presentation] Modulus techniques in geometric function theory I, II2010

    • Author(s)
      T.Sugawa
    • Organizer
      International Workshop on Harmonic and Quasiconformal Mappings
    • Place of Presentation
      IIT Madras, India
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] On boundary regularity of solutions to-degenerate Beltrami equations2010

    • Author(s)
      T.Sugawa
    • Organizer
      The 18th ICFIDCAA
    • Place of Presentation
      University of Macau, China
    • Year and Date
      2010-08-15
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] On boundary regularity of solutions to degenerate Beltrami equations2010

    • Author(s)
      T.Sugawa
    • Organizer
      18th ICFIDCAA
    • Place of Presentation
      University of Macau, China
    • Year and Date
      2010-08-15
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Invariant Schwarzian derivative of higher order and its applications2009

    • Author(s)
      T.Sugawa
    • Organizer
      International Conference on Complex Analysis and Related Topics
    • Place of Presentation
      University of Turku, Finland
    • Year and Date
      2009-08-18
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Presentation] Higher order Schwarzian derivatives and their applications to univalence criteria2008

    • Author(s)
      T. Sugawa
    • Organizer
      Workshop "Funktionentheorie"
    • Place of Presentation
      University of Wuerzburg (Germany)
    • Year and Date
      2008-11-28
    • Data Source
      KAKENHI-PROJECT-19654027
  • [Presentation] 平面領域のポテンシャル論的性質とHardy空間2008

    • Author(s)
      須川敏幸
    • Organizer
      2008年度ポテンシャル論研究集会
    • Place of Presentation
      秋田市
    • Year and Date
      2008-11-02
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Hyperbolic metric and hypergeometric functions2008

    • Author(s)
      T. Sugawa
    • Organizer
      第16回有限・無限次元複素解析国際会議
    • Place of Presentation
      東国大学校(韓国)
    • Year and Date
      2008-07-31
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Hyperbolic metric and hypergeometric functions2008

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      The 16th ICFIDCAA
    • Place of Presentation
      Dongguk University, Korea
    • Year and Date
      2008-07-31
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Hypergeometric functions and hyperbolic metric2007

    • Author(s)
      須川 敏幸
    • Organizer
      日本数学会関数論分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-23
    • Data Source
      KAKENHI-PROJECT-19540194
  • [Presentation] 2次微分に付随するリーマン面上の計量について2007

    • Author(s)
      須川敏幸
    • Organizer
      リーマン面・不連続群論合同研究集会
    • Place of Presentation
      島根大学
    • Year and Date
      2007-02-02
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Uniformly locally univalent functions and Hardy spaces2007

    • Author(s)
      T. Sugawa
    • Organizer
      15th ICFIDCAA
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2007-08-02
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Uniformly perfect sets and Hardy spaces2007

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Finland-Japan Joint Seminar on Analysis
    • Place of Presentation
      University of Helsinki, Finland
    • Year and Date
      2007-08-28
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Uniformly perfect sets and Hardy spaces2007

    • Author(s)
      須川敏幸
    • Organizer
      Finland-Japan Joint Seminar on Analysis
    • Place of Presentation
      University of Helsinki, Finland
    • Year and Date
      2007-08-28
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] On Bazilevic functions2007

    • Author(s)
      須川敏幸
    • Organizer
      幾何学的単葉関数論の研究
    • Place of Presentation
      数理解析研究所
    • Year and Date
      2007-05-17
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Uniformly perfect sets and Hardy spaces2007

    • Author(s)
      T. Sugawa
    • Organizer
      University of Helsinki, Finland
    • Place of Presentation
      Finland-Japan Joint Seminar on Analysis
    • Year and Date
      2007-08-28
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Hausdorff moment problem and geometric function theory2006

    • Author(s)
      T. Sugawa
    • Organizer
      Finland-Japan Joint Seminar on Analysis
    • Place of Presentation
      広島大学
    • Year and Date
      2006-12-13
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Hausdorff moment problem and polylogarithms2006

    • Author(s)
      T. Sugawa
    • Organizer
      角写像論・値分布論合同研究集会
    • Place of Presentation
      広島大学
    • Year and Date
      2006-12-03
    • Data Source
      KAKENHI-PROJECT-17204010
  • [Presentation] Hausdorff moment problem and polylogarithm2006

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      14th ICFIDCAA
    • Place of Presentation
      Hue University, Vietnam
    • Year and Date
      2006-08-04
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] Circular widths of plane domains(joint work with Yong Chan Kim)2005

    • Author(s)
      Toshiyuki Sugawa,
    • Organizer
      Computational Methods and Function Theory 2005
    • Place of Presentation
      University of Joensuu, Finland
    • Year and Date
      2005-06-16
    • Data Source
      KAKENHI-PROJECT-17340039
  • [Presentation] On power deformations of a univalent function

    • Author(s)
      T. Sugawa
    • Organizer
      International Conference on Complex Analysis and Related Topics
    • Place of Presentation
      Ploiesti, Romania
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Power deformations of univalent functions

    • Author(s)
      T. Sugawa
    • Organizer
      19th ICFIDCAA
    • Place of Presentation
      広島アステールプラザ
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] An attempt to characterize quasidisks in terms of zf'(z)/f(z)

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Conference on Geometric Function Theory
    • Place of Presentation
      University of Belgrade, Serbia
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Quasiconformal extension of strongly spirallike functions

    • Author(s)
      T. Sugawa
    • Organizer
      Satellite Thematic Session "Quasiconformal mappings and complex dynamical systems", in 6th European Congress of Mathematics
    • Place of Presentation
      Krakow, Poland
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Quasiconformal extension of strongly spirallike functions

    • Author(s)
      T. Sugawa
    • Organizer
      Satellite Thematic Session "Quasiconformal mappings and complex dynamical systems", in 6th European Congress of Mathematics
    • Place of Presentation
      Krakow, Poland
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Hyperbolic metric on a Riemann surface with conical singularities

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Analysis and Geometry of Riemann Surfaces and Related Topics
    • Place of Presentation
      東工大
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Schwarz-Christoffel formula for the exterior of a quadrangle

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      The 2nd Chinese-Finnish Seminar
    • Place of Presentation
      University of Turku, Finland
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] On power deformations of a univalent function

    • Author(s)
      T. Sugawa
    • Organizer
      International Conference on Complex Analysis and Related Topics
    • Place of Presentation
      Ploiesti, Romania
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Generalizations of the Schwarzian derivative

    • Author(s)
      T. Sugawa
    • Organizer
      20th ICFIDCAA
    • Place of Presentation
      Hanoi University of Science and Technology, Vietnam
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Schwarz-Christoffel formula for the exterior of a quadrangle

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      The 2nd Chinese-Finnish Seminar
    • Place of Presentation
      University of Turku, Finland
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Univalence criteria in terms of |zf'(z)/f(z)|

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      CMFT 2013
    • Place of Presentation
      Shantou University, China
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Hyperbolic metric on a Riemann surface with conical singularities

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      21th ICFIDCAA
    • Place of Presentation
      Nanjing University, China
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] シュワルツ微分の一般化~不変化と高階化を目指して~

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会函数論分科会特別講演
    • Place of Presentation
      九州大学(福岡県)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Univalence criteria in terms of |zf'(z)/f(z)|

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      CMFT 2013
    • Place of Presentation
      Shantou University, China
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] An attempt to characterize quasidisks in terms of zf'(z)/f(z)

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Conference on Geometric Function Theory
    • Place of Presentation
      University of Belgrade, Serbia
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Hyperbolic metric on a Riemann surface with conical singularities

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      21th ICFIDCAA
    • Place of Presentation
      Nanjing University, China
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Generalizations of the Schwarzian derivative

    • Author(s)
      T. Sugawa
    • Organizer
      20th ICFIDCAA (Plenary Talk)
    • Place of Presentation
      Hanoi University of Science and Technology, Vietnam
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Variability regions of close-to-convex functions

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      第2回RCPAM国際シンポジウム Geometric Function Theory and Applications in Sendai
    • Place of Presentation
      東北大学(宮城県)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] シュワルツ微分の一般化 ~不変化と高階化を目指して~

    • Author(s)
      須川敏幸
    • Organizer
      日本数学会函数論分科会特別講演
    • Place of Presentation
      九州大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340025
  • [Presentation] Hyperbolic metric on a Riemann surface with conical singularities

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      Analysis and Geometry of Riemann Surfaces and Related Topics
    • Place of Presentation
      東京工業大学(東京都)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22340028
  • [Presentation] Variability regions of close-to-convex functions

    • Author(s)
      Toshiyuki Sugawa
    • Organizer
      第2回RCPAM国際シンポジウム Geometric Function Theory and Applications in Sendai
    • Place of Presentation
      東北大学大学院情報科学研究科
    • Data Source
      KAKENHI-PROJECT-22340025
  • 1.  SHIGA Hiroshige (10154189)
    # of Collaborated Projects: 11 results
    # of Collaborated Products: 0 results
  • 2.  SAKAN Ken-ichi (70110856)
    # of Collaborated Projects: 10 results
    # of Collaborated Products: 0 results
  • 3.  MATSUZAKI Katsuhiko (80222298)
    # of Collaborated Projects: 10 results
    # of Collaborated Products: 3 results
  • 4.  AIKAWA Hiroaki (20137889)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 5.  YOSHINO Masafumi (00145658)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 6.  TANIGUCHI Masahiko (50108974)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 7.  KOMORI Yohei (70264794)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 8.  IMAYOSHI Yoichi (30091656)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 9.  NAKAHISNI Toshihiro (00172354)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 10.  MORITA Takehiko (00192782)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 11.  MIYACHI Hideki (40385480)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 12.  KEN. ICHI Ohshika (70183225)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 13.  SAKUMA Makoto (30178602)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 14.  MURATA Minoru (50087079)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 15.  SUMI Hiroki (40313324)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 1 results
  • 16.  MIZUTA Yoshihiro (00093815)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 17.  IWATA Koichiro (20241292)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 18.  KAWASHITA Mishio (80214633)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 19.  SHISHIKURA Mitsuhiro (70192606)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 20.  MATSUMOTO Makoto (70231602)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 21.  NAKADA Hitoshi (40118980)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 22.  YANAGIHARA Hiroshi (30200538)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 23.  KIGAMI Jun (90202035)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 24.  TONEGAWA Yoshihiro (80296748)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 25.  HIRATA Kentaro (30399795)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 26.  KUMAGAI Takashi (90234509)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 27.  柳下 剛広 (60781333)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 28.  SHIMADA Ichirou (10235616)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 29.  SEIICHI Kamada (60254380)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 30.  YASUSHI Yamashita (70239987)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 31.  HIROTAKA Akiyoshi (80397611)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 32.  NOGUCHI Junjiro (20033920)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 33.  MIYAJIMA Kimio (40107850)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 34.  SHIMOMURA Tetsu (50294476)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 35.  NAGAI Yoshitaka (40112172)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 36.  SUGITA Hiroshi (50192125)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 37.  ISOZAKI Yasuki (90273573)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 38.  SUZUKI Noriaki (50154563)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 39.  KATAGATA Koh (10529598)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 40.  OHONO Takao (40508511)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 41.  FUJIKAWA Ege (80433788)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 42.  ABE Makoto (90159442)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 43.  NISHIO Masaharu (90228156)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 44.  NAKANISHI Toshihiro (50701546)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 45.  加須栄 篤 (40152657)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 46.  島内 宏和 (90759200)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 47.  金城 絵利那 (40746559)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 48.  堀田 一敬 (10725237)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 1 results
  • 49.  新井 仁之 (10175953)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 50.  SHIBA Masakazu (70025469)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 51.  TAMAGAWA Akio (00243105)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 52.  MOCHIZUKI Shinichi (10243106)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 53.  TSUZUKI Nobuo (10253048)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 54.  KIMURA Shunichi (10284150)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 55.  TERASOMA Tomohide (50192654)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 56.  MORITA Shigeyuki (70011674)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 57.  HIROSE Susumu (10264144)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 58.  TAKAHASHI Nobuyoshi (60301298)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 59.  KANEKO Masanobu (70202017)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 60.  TAGUCHI Yuichirou (90231399)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 61.  ITO Hiroyuki (60232469)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 62.  NISHIMURA Takuji (90333947)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 63.  SAITO Shuji (50153804)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 64.  TSUJI Takeshi (40252530)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 65.  MORITA Yoshiyuki (20243545)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 66.  ISHII Akira (10252420)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 67.  YAMAUCHI Takuya (90432707)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 68.  SHIHO Atsushi (30292204)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 69.  SAITO Mutsuo (30507736)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 70.  HARAMOTO Hiroshi (40511324)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 71.  TAKIMOTO Kazuhiro (00363044)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 72.  UENO Kohei (10527881)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 73.  TADOKORO Yuki (10435414)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 74.  ITO Kentaro (00324400)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 75.  MASAKAZU Teragaito (80236984)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 76.  DOI Hideo (72542810)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 77.  YASUI Koichi (70547009)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 78.  HIRANOUCHI Toshiro (59321203)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 79.  KONO Masaharu (40170203)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 80.  NIKKUNI Ryo (00401878)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 81.  HIRASAWA Mikami (00337908)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 82.  WADA Masaaki (80192821)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 83.  KIN Eiko (80378554)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 84.  KOBAYASHI Tsuyoshi (00186751)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 85.  MORIMOTO Kanji (90200443)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 86.  SHACKLETON Kenneth (70536870)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 87.  FUJIWARA Koji (60229078)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 88.  SUGAWA Toshiyuki (32235858)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 89.  ASHIKAGA Tadashi (90125203)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 90.  OHSHIKA Ken'ichi (70183325)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 91.  YURI Michiko (70174836)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 92.  TSUJII Masato (20251598)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 93.  KOKUBU Hiroshi (50202057)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 94.  OKAJI Takashi (20160426)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 95.  NOMURA Takaaki (30135511)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 96.  HIRAI Takeshi (70025310)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 97.  NAKAI Isao (90207704)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 98.  SATO Hajime (30011612)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 99.  SUWA Tatsuo (40109418)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 100.  MATSUMOTO Shigenori (80060143)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 101.  KIKKAWA Michihika (70032430)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 102.  萩田 真理子 (70338218)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 103.  土井 英雄 (50197993)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 104.  平之内 俊郎 (30532551)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 105.  大鹿 健一 (70173325)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 106.  濱田 英隆 (30198808)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 107.  濱野 佐知子 (10469588)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 108.  松村 慎一 (90647041)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 109.  川上 裕 (60532356)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 110.  山口 佳三 (00113639)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 111.  吉田 雅通 (60264793)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 112.  榎本 彦衛 (00011669)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 113.  山田 澄生 (90396416)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 114.  天野 政紀 (60793867)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 115.  倉田 和浩 (10186489)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 116.  正宗 淳 (50706538)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 117.  野瀬 敏洋 (90637993)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 118.  高橋 淳也 (10361156)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 119.  船野 敬 (40614144)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 120.  坂口 茂 (50215620)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 121.  菊田 伸 (40736790)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 122.  川平 友規 (50377975)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 123.  田中 亮吉 (80629759)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 124.  村山 拓也 (70963974)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 125.  Zhang Tanran
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 126.  Wang Li-Mei
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 127.  左官 謙一
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

URL: 

Are you sure that you want to link your ORCID iD to your KAKEN Researcher profile?
* This action can be performed only by the researcher himself/herself who is listed on the KAKEN Researcher’s page. Are you sure that this KAKEN Researcher’s page is your page?

この研究者とORCID iDの連携を行いますか?
※ この処理は、研究者本人だけが実行できます。

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi