AKAMA Yohji 赤間陽二

Researcher Number	30272454
Other IDs
Affiliation (Current)	2025: 東北大学, 理学研究科, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2021: 東北大学, 理学研究科, 准教授 2015: 東北大学, 理学(系)研究科(研究院), 准教授 2014: 東北大学, 大学院理学研究科, 准教授 2009 – 2011: Tohoku University, 大学院・理学研究科, 准教授 2009: 東北大学, 理学系研究科, 准教授 … More 2008: 東北大学, 理学(系)研究科(研究院), 准教授 2007: 東北大学, 理学研究科, 准教授 2001 – 2005: 東北大学, 大学院・理学研究科, 助教授 1999: Grad. School of Science, Tohoku Univ., Assoc. Prof., 大学院・理学研究科, 助教授 1996 – 1998: 東京大学, 大学院・理学系研究科, 助手 Less
Review Section/Research Field	Principal Investigator 計算機科学 / Foundations of mathematics/Applied mathematics / General mathematics (including Probability theory/Statistical mathematics) / Fundamental theory of informatics Except Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / Geometry / 計算機科学 / Fundamental theory of informatics / Intelligent informatics
Keywords	Principal Investigator 部分組合せ代数 / タイリング / 組合せ論理 / 幾何構造 / 離散幾何 / 対称性 / タイル推移性 / 精度保証計算 / ギャップ / ヤコビアン … More / 正多角形的球面多面体的表面 / テーラー展開 / 組合せ曲率 / 1-skeleton / pseudo-double wheel / 球面的多面体的曲面 / タイル推移的 / Forman曲率 / 放電論法 / 合同な等辺5角形による球面タイリング / コーシーの腕補題 / 球面タイリング / 離散曲率 / グラフ / 曲率 / 合同な多角形 / 結晶格子 / 可換正規シャッフル言語 / 有限の弾力性 / 測度集中現象 / 一致性 / Wishart行列の固有値 / 主成分分析 / 組み合わせ次元 / order-type / well quasi-order / 集合系 / better elasticity / inductive inference / finite elasticity / order type / deformation / set systems / unbounded unions / better quasi-ordering / 連続変形 / 整列擬順序 / 順序型 / 連結成分 / VC次元 / λμ計算 / 古典論理 / 極限操作 / 無限カット除去定理 / 冠頭標準形定理 / Markov principle / Lifsitz' 実現可能性解釈 / プログラム抽出 / lesser limited principle of omniscience / 構成的論理 / monotone modified 実現可能性解釈 / 無矛盾性 / Case-Smith階層 / 切断射影集合 / Graph-directed IFS / 終代数 / 交型理論 / 外延性 / 環境計算 / 翻訳 / 強正規 / proof expression / principal typing / bisimulation / tianslation / linear λ-calculus / proof net / linear logic / Strong normalization / partial combinatory algebral / combinatory logic / 順序数割り当て / λ計算 / 強正規化性 … More Except Principal Investigator WKL_0 / second order arithmetic / 2階算術 / 準結晶 / 逆数学 / 数学基礎論 / 数理論理学 / 有理点 / グラスマン多様体 / crystallography / tight frame / 一様配置 / 原始的ピタゴラス数 / 原始的格子点 / 包含排除の原理 / 離散幾何解析 / 結晶構造の標準的実現 / 和公式 / 算術的離散集合 / 結晶的tight frame / 算術的準結晶 / 一般化されたリーマン和 / 位相的結晶 / nonstandard method / WKLo / 超準的手法 / classical proof execution / mathematical logic / Inductive inference / 非構成的原理 / 非構成的論理 / 極限計算 / 学習理論 / 形式的技法 / 形式的証明 / 古典論理証明実行 / inductive inference / lambda calculus / bounded arithmetic / reverse mathematics / formal arithmetic / type theory / theory of computation / logical structures / 算術のモデル / 証明論 / ロジック / ラムダ計算 / 限定算術 / 形式算術 / 型理論 / 計算論 / 論理構造 / 非可換幾何 / 結晶格子 / 量子ホール効果 / 格子欠陥 / 非可換幾何学 / 構成的数学 / 構造データ / データマイニング / 計算論的学習 / 下方集合 / 応用数学 / 情報基礎 / 計算代数 / 帰納論理 / 知識発見 / 機械学習 / 学習と発見 Less

Symmetry and deformation of spherical tilingPrincipal Investigator
- Principal Investigator
  
  Akama Yohji
- Project Period (FY)
  2016 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Tohoku University
The development of discrete geometric analysis
- Principal Investigator
  
  Sunada Toshikazu
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Meiji University
Mathematical approach to materials science by using non-commutative geometry
- Principal Investigator
  
  KOTANI Motoko
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Tohoku University
Efficiency for machine to learn discrete geometric objectsPrincipal Investigator
- Principal Investigator
  
  AKAMA Yohji
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tohoku University
Knowledge Discovery from Structured Data with Efficient Methods of Searching Lower Sets Based on Frequency
- Principal Investigator
  
  YAMAMOTO Akihiro
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Kyoto University
Reverse Mathematics in Constructive Mathematics
- Principal Investigator
  
  ISHIHARA Hajime
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Japan Advanced Institute of Science and Technology
近似プログララムの計算論-古典論理の証明のテストにむけて-Principal Investigator
- Principal Investigator
  
  赤間陽二
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Tohoku University
Logic of Limit Computing and its Applications
- Principal Investigator
  
  HAYASHI Susumu
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  計算機科学
- Research Institution
  Kobe University
Comparative studies on nonstandard methods and constructive methods
- Principal Investigator
  
  TANAKA Kasuyuki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tohoku University
変換系と翻訳の理論と応用Principal Investigator
- Principal Investigator
  
  赤間陽二
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  計算機科学
- Research Institution
  The University of Tokyo
Studies on logical structures of arithmetic and computation
- Principal Investigator
  
  TANAKA Kazuyuki
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  TOHOKU UNIVERSITY
ゲーム理論とプログラム言語の意味論Principal Investigator
- Principal Investigator
  
  赤間陽二
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  計算機科学
- Research Institution
  The University of Tokyo

[Journal Article] Tilings of the sphere by congruent pentagons III: Edge combination a52022
- Author(s)
  Akama Yohji、Wang Erxiao、Yan Min
- Journal Title
  
  Advances in Mathematics
  
  Volume: 394 Pages: 107881-107881
- DOI
  10.1016/j.aim.2021.107881
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05247
[Journal Article] A curvature notion for planar graphs stable under planar duality2021
- Author(s)
  Akama Yohji、Hua Bobo、Su Yanhui、Wang Lili
- Journal Title
  
  Advances in Mathematics
  
  Volume: 385 Pages: 107731-107731
- DOI
  10.1016/j.aim.2021.107731
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05247
[Journal Article] Classification of spherical tilings by congruent quadrangles over pseudo-double wheels (II) - the isohedral case2019
- Author(s)
  Yohji Akama
- Journal Title
  
  Hiroshima Mathematical Journal
  
  Volume: 49
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05247
[Journal Article] The Confluent Terminating Context-Free Substitutive Rewriting System for the lambda-Calculus with Surjective Pairing and Terminal Type2017
- Author(s)
  Y. Akama
- Journal Title
  
  2nd International Conference on Formal Structures for Computation and Deduction
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H02055
[Journal Article] Mesoscopic Dynamics of Laser-Induced Phase Separation in Water and 2-Butoxyethanol Mixtures Revealed by Nanosecond Time-Resolved Light Scattering2014
- Author(s)
  Shuichi Toyouchi, Shinji Kajimoto, Masatoshi Toda, Toshihiro Kawakatsu, Yohji Akama, Motoko Kotani, Hiroshi Fukumura
- Journal Title
  
  Chemistry Letters
  
  Volume: 43(12) Issue: 12 Pages: 1838-1840
- DOI
  10.1246/cl.140698
- NAID
  130004687279
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23654020
[Journal Article] Classification of spherical tilings by congruent quadrangles over pseudo-double wheels (I) - a special tiling by congruent concave quadrangles.2013
- Author(s)
  Yohji AKAMA
- Journal Title
  
  Hiroshima Mathematical Journal
  
  Volume: 43 Pages: 285-304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23654020
[Journal Article] Classification of spherical tilings by congruent quadrangles over pseudo-double wheels (I) -- a special tiling by congruent concave quadrangles2013
- Author(s)
  Yohji Akama
- Journal Title
  
  Hiroshima Math. J.
  
  Volume: 43
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23654020
[Journal Article] Random Fields on Model Sets with Localized Dependency and Their Diffraction2012
- Author(s)
  Yohji Akama and Shinji Iizuka
- Journal Title
  
  Journal of Statistical Physics
  
  Volume: 149 Issue: 3 Pages: 478-495
- DOI
  10.1007/s10955-012-0588-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23654020
[Journal Article] A new order theory of set systems and better quasi-orderings"2012
- Author(s)
  Yohji Akama
- Journal Title
  
  Progress in Informatics
  
  Volume: Vol.9 Pages: 9-18
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] A new order theory of set systems and better quasi-orderings2012
- Author(s)
  Yohji Akama
- Journal Title
  
  Progress in Informatics
  
  Volume: 9 Issue: 9 Pages: 9-18
- DOI
  10.2201/niipi.2012.9.3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Set systems : order types2011
- Author(s)
  Yohji Akama
- Journal Title
  
  continuous nondeterministic deformations, and quasi-orders, Theoretical Computer Science
  
  Volume: Vol.412 Pages: 6235-6251
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Set systems : order types, continuous nondeterministic deformations, and quasi-orders2011
- Author(s)
  Yohji Akama
- Journal Title
  
  Theoretical Computer Science
  
  Volume: 412 Issue: 45 Pages: 6235-6251
- DOI
  10.1016/j.tcs.2011.08.010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Set systems: order types, continuous nondeterministic deformations, and quasi-orders2011
- Author(s)
  Yoji Akama
- Journal Title
  
  Theoret. Comput. Sci.
  
  Volume: 412巻 Pages: 6235-6251
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23654020
[Journal Article] VC Dimensions of Principal Component Analysis2010
- Author(s)
  Yohji Akama, Kei Irie, Akitoshi Kawamura, Yasutaka Uwano
- Journal Title
  
  Discrete and Computational Geometry
  
  Volume: Vol.44, No.3 Pages: 589-598
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] VC Theory and a Concentration Inequality for Sums of Eigenvalues of Wishart Matrix2010
- Author(s)
  Yohji Akama and Yasutaka Uwano
- Journal Title
  
  (社)人工知能学会データマイニングと統計数理研究会
  
  Pages: 214-219
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] VC Dimensions of Principal Component Analysis2010
- Author(s)
  Yohji Akama, Kei Irie, Akitoshi Kawamura, Yasutaka Uwano
- Journal Title
  
  Discrete and Computational Geometry (未定, 印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] 可換シャッフルクローズド正規言語, ネーター性, および極限学習2009
- Author(s)
  赤間陽二
- Journal Title
  
  人工知能学会研究会資料SIG-FPAI-A901
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Commutative Regular Shuffle Closed Languages, Noetherian Property, and Learning Theory2009
- Author(s)
  Yohji Akama
- Journal Title
  
  Lecture Notes in Computer Science 5457
  
  Pages: 93-104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Commutative Regular Shuffle Closed Languages2009
- Author(s)
  Yohji Akama
- Journal Title
  
  Noetherian Property, and Learning Theory, Lecture Notes in Computer Science
  
  Volume: Vol.5457 Pages: 93-104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Commutative Regular Shuffle Closed Languages, Noetherian Property, and Learning Theory2009
- Author(s)
  Yohji Akama
- Journal Title
  
  Lecture Notes in Computer Science 5457
  
  Pages: 93-104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19300046
[Journal Article] Gaussian Mixture models and VC dimensions2009
- Author(s)
  Yohji Akama
- Journal Title
  
  人工知能学会研究会資料SIG-FPAI-A801
- Data Source
  KAKENHI-PROJECT-21540105
[Journal Article] Computing Characteristic Sets of Bounded Unions of Polynomial Ideals2008
- Author(s)
  Itsuo Takamatsu, Masanori Kobayashi, Hiroo Tokunaga and
- Journal Title
  
  Lecture Notes in Artificial Intelligence 4914
  
  Pages: 318-329
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19300046
[Journal Article] Computing Characteristic Sets of Bounded Unions of Polynomial Ideals2008
- Author(s)
  Itsuo Takamatsu, Masanori Kobayashi, Hiroo Tokunaga, Akihiro Yamamoto
- Journal Title
  
  Lecture Notes in Artificial Intelligence 4914
  
  Pages: 318-32
- Data Source
  KAKENHI-PROJECT-19300046
[Journal Article] Intrusion Detection SystemのCase-Smith階層2005
- Author(s)
  赤間陽二
- Journal Title
  
  人工知能学会研究会資料SIG-FPAI A-503-14
  
  Pages: 81-85
- Data Source
  KAKENHI-PROJECT-15700001
[Journal Article] Real number representations of graph-directed IFS attractors2005
- Author(s)
  Yohji Akama, Shinji Iizuka
- Journal Title
  
  Proceedings of Second international Conference on Computability and Complexity in Analysis 326-7
  
  Pages: 3-24
- Data Source
  KAKENHI-PROJECT-15700001
[Journal Article] An arithmetical hierarchy of the law of excluded middle and related principles2004
- Author(s)
  Y.Akama, S.Berardi, U.Kohlenbach, S.Hayashi
- Journal Title
  
  Proceedings of 19^<th> annual IEEE symposium on logic in computer science
  
  Pages: 192-201
- Data Source
  KAKENHI-PROJECT-15700001
[Presentation] Tiling of the Sphere by Congruent Polygons2021
- Author(s)
  赤間陽二
- Organizer
  The 23rd Thailand-Japan Conference on Discrete and Computational Geometry, Graphs, and Games
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05247
[Presentation] Computational Study on Combinatorial curvatures and Forman curvatures of planar graphs2019
- Author(s)
  赤間陽二
- Organizer
  復旦大学数学学術報告
- Data Source
  KAKENHI-PROJECT-16K05247
[Presentation] 組み合わせ曲率と正多角形による多面体的surface2018
- Author(s)
  赤間陽二
- Organizer
  2018年度応用数学合同研究集会
- Data Source
  KAKENHI-PROJECT-16K05247
[Presentation] Deza's last problems2017
- Author(s)
  Yohji Akama
- Organizer
  Franco-Japanese Days on Combinatorics and Optimization 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05247
[Presentation] Spherical tilings by congruent 4-gons on Archimedean dual skeletons2016
- Author(s)
  Yohji Akama
- Organizer
  The 12th Annual Meeting of the International Academy of Mathematical Chemistry (IAMC) and the 2016 International Conference on Mathematical Chemistry (ICMC 2016)
- Place of Presentation
  Nankai University, Tsianjin, China
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05247
[Presentation] The rigidity, deformation and tile-transitivity of spherical tilings2014
- Author(s)
  赤間　陽二
- Organizer
  Japan Conference on Graph Theory and Combinatorics
- Place of Presentation
  日本大学（東京都世田谷区）
- Year and Date
  2014-05-19
- Data Source
  KAKENHI-PROJECT-23654020
[Presentation] Solution to spherical Hilbert eighteenth problem and the deformation of spherical tilings2014
- Author(s)
  赤間　陽二
- Organizer
  Canberra - Japan Meeting, “Pattern Formation: Mathematics and Materials”.
- Place of Presentation
  Australia National University, Canberra, Australia
- Year and Date
  2014-04-29
- Data Source
  KAKENHI-PROJECT-23654020
[Presentation] A new order theory of set systems, WQO and BQO2012
- Author(s)
  Yohji Akama
- Organizer
  Verification Seminar, 北陸先端科学技術大学院大学
- Place of Presentation
  金沢
- Year and Date
  2012-01-31
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] A new order theory of set systems, WQO AND BQO, SigTheory/Algs Talk2012
- Author(s)
  Yohji Akama
- Organizer
  Department of Computer and Information Sciences
- Place of Presentation
  University of Delaware, USA
- Year and Date
  2012-03-07
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] A new order theory of set systems, WQO and BQO2012
- Author(s)
  赤間陽二
- Organizer
  Verification Seminar
- Place of Presentation
  北陸先端科学技術大学院大学
- Year and Date
  2012-01-31
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] A new order theory of set systems, WQO and BQO2012
- Author(s)
  赤間陽二
- Organizer
  SigTheory/Algs Talk
- Place of Presentation
  Department of Computer and Information Sciences, University of Delaware (USA)
- Year and Date
  2012-03-07
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Set systems : Order types, continuous nondeterministic deformations, and quasi-orders2011
- Author(s)
  Yohji Akama
- Organizer
  第4回九州大学組合せ数学セミナー
- Place of Presentation
  福岡
- Year and Date
  2011-11-26
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Set systems : Order types, continuous nondeterministic deformations, and quasi-orders2011
- Author(s)
  赤間陽二
- Organizer
  第4回九州大学組合せ数学セミナー
- Place of Presentation
  九州大学
- Year and Date
  2011-11-26
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] On consistency of eigenvalues for principal component analysis2010
- Author(s)
  赤間陽二
- Organizer
  第12回人工知能学会データマイニングと統計数理研究会
- Place of Presentation
  立川市
- Year and Date
  2010-03-30
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Consistency of eigenvalues for principal component analysis Statistics and Operations Research Seminars2010
- Author(s)
  Yohji Akama and Yasutaka Uwano
- Organizer
  Department of Economics, Pompeu Fabra University
- Place of Presentation
  Spain
- Year and Date
  2010-05-06
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] 主成分分析の固有値の一致性について2010
- Author(s)
  赤間陽二, 上野康隆
- Organizer
  第12回データマイニングと統計数理研究会
- Place of Presentation
  統計数理研究所, 東京
- Year and Date
  2010-03-30
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Consistency of eigenvaluos for principal component analysis2010
- Author(s)
  Yohji Akama
- Organizer
  Statistics and Operations Research Seminars
- Place of Presentation
  Department of Economics, Pompeu Fabra University, Spain
- Year and Date
  2010-05-07
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] 統計的学習の効率評価理論について2010
- Author(s)
  赤間陽二
- Organizer
  東北大学数学専攻談話会
- Place of Presentation
  東北大学
- Year and Date
  2010-12-20
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] 可換シャッフルクローズド正規言語, ネーター性, および極限学習2009
- Author(s)
  赤間陽二
- Organizer
  第74回人工知能基本問題研究会
- Place of Presentation
  広島
- Year and Date
  2009-09-14
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 可換シャッフルクローズド正規言語, ネーター性, および極限学習2009
- Author(s)
  赤間陽二
- Organizer
  人工知能学会第74回FPAI研究会
- Place of Presentation
  広島市立大学, 広島
- Year and Date
  2009-09-14
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Commutative Regular Shuffle Closed Languages, Noetherian Property, and Learning Theory2009
- Author(s)
  Yohji Akama
- Organizer
  The 3rd international conference on Language and automata theory and application
- Place of Presentation
  Tarragona, Universitat Rovira i Virgili, Spain
- Year and Date
  2009-04-03
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Gaussian Mixture Models and VC-Doimensions2009
- Author(s)
  Yohji Akama
- Organizer
  The Fourth International Workshop on Data-Mining and Statistical Science
- Place of Presentation
  京都
- Year and Date
  2009-07-08
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] Gaussian Mixture Models and VC Dimensions2009
- Author(s)
  赤間陽二
- Organizer
  The Fourth International Workshop on Data-Mining and Statistical Science
- Place of Presentation
  京都市
- Year and Date
  2009-06-08
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] VC Theory and a Concentration Inequality for Sums of Eigenvalues of Wishart Matrix2009
- Author(s)
  上野康隆, 赤間陽二
- Organizer
  第12回情報論的学習理論ワークショップ
- Place of Presentation
  福岡市
- Year and Date
  2009-10-19
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Gaussian Mixture Models and VC-Doimensions2009
- Author(s)
  赤間陽二
- Organizer
  The Fourth International workshop on Data-Mining and Statistical Science
- Place of Presentation
  京都
- Year and Date
  2009-07-08
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] Commutative Regular Shuffle Closed Languages, Noetherian Property, and Learning in the Limit2009
- Author(s)
  赤間陽二
- Organizer
  第74回人工知能基本問題研究会
- Place of Presentation
  広島市
- Year and Date
  2009-09-14
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] 可換シャッフルクローズド正規言語, ネーター性, および極限学習2009
- Author(s)
  赤間陽二
- Organizer
  人工知能学会第74回人工知能基本問題研究会
- Place of Presentation
  広島
- Year and Date
  2009-09-14
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 混合ガウスモデルのVC次元など2009
- Author(s)
  赤間陽二
- Organizer
  夏のLAシンポジウム
- Place of Presentation
  東松島市
- Year and Date
  2009-07-23
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] Gaussian Mixture Models and VC Dimensions2009
- Author(s)
  Yohji Akama
- Organizer
  The Fourth International Workshop on Data-Mining and Statistical Science
- Place of Presentation
  Kyoto
- Year and Date
  2009-07-08
- Data Source
  KAKENHI-PROJECT-21540105
[Presentation] VC理論とWishart行列の固有値の和の集中不等式2009
- Author(s)
  上野康隆, 赤間陽二
- Organizer
  第12回情報論的学習理論ワークショップ
- Place of Presentation
  福岡
- Year and Date
  2009-10-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] VC理論と Wishart 行列の固有値の和の集中不等式2009
- Author(s)
  上野康隆, 赤間陽二
- Organizer
  第12回情報論的学習理論ワークショップ
- Place of Presentation
  福岡
- Year and Date
  2009-10-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 統計推論のVC次元2008
- Author(s)
  赤間陽二, 入江慶, 河村彰利, 上野康隆
- Organizer
  人工知能学会第70回人工知能基本問題研究会
- Place of Presentation
  京都
- Year and Date
  2008-07-04
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 主成分分析の汎化誤差などについて2008
- Author(s)
  赤間陽二, 上野康隆
- Organizer
  人工知能学会第68回人工知能基本問題研究会
- Place of Presentation
  札幌
- Year and Date
  2008-01-17
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 主成分分析のVC次元2008
- Author(s)
  赤間陽二, 入江慶, 河村彰利, 上野康隆
- Organizer
  日本応用数理学会2008年度年会
- Place of Presentation
  柏
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 主成分分析のvc次元2008
- Author(s)
  赤間陽二, 入江慶, 河村彰利, 上野康隆
- Organizer
  日本応用数理学会2008年度年会
- Place of Presentation
  柏
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 主成分分析の汎化誤差などについて2008
- Author(s)
  赤間陽二, 上野康隆
- Organizer
  人工知能学会第68回人工知能基本問題研究会
- Place of Presentation
  札幌
- Year and Date
  2008-01-17
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] Computing Characteristic Sets of Bounded Unions of Polynomial Ideals2007
- Author(s)
  Takamatsu, I., Kobayashi, M., Tokunaga, H., Yamamoto, A.
- Organizer
  Fiftth Workshop on Learning with Logics and Logics for Learning (LLLL2007)
- Place of Presentation
  宮崎
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] ω-rules and learnability2007
- Author(s)
  Yohji Akama
- Organizer
  Computability in Europe 2007
- Place of Presentation
  Siena, Italy
- Year and Date
  2007-06-21
- Data Source
  KAKENHI-PROJECT-19500012
[Presentation] Computing Characteristic Sets of Bounded Unions of Polynomial Ideals2007
- Author(s)
  Takamatsu, I., Kobayashi, M., Tokunaga, H., and Yamamoto, A.
- Organizer
  Fiftth Workshop on Learning with Logics and Logics for Learning(LLLL2007)
- Place of Presentation
  宮崎
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] Multiclass Multisurface Proximity Support Vector Machines2007
- Author(s)
  Yohji Akama, Taufik Sutanto
- Organizer
  Fiftth Workshop on Learning with Logics and Logics for Learning (LLLL2007)
- Place of Presentation
  宮崎
- Year and Date
  2007-06-18
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] ω-rules and learnablility2007
- Author(s)
  Yohji Akama
- Organizer
  Computability in Europe 2007
- Place of Presentation
  Siena
- Year and Date
  2007-06-21
- Data Source
  KAKENHI-PROJECT-19500012
[Presentation] Multiclass Multisurface Proximity Support Vector Machines2007
- Author(s)
  Yohji Akama, Taufik Sutanto
- Organizer
  Fiftth Workshop on Learning with Logics and Logics for Learning(LLLL2007)
- Place of Presentation
  宮崎
- Year and Date
  2007-06-18
- Data Source
  KAKENHI-PROJECT-19300046
[Presentation] 球面的ヒルベルトの第１８問題の解決と球面タイリングの変形
- Author(s)
  赤間　陽二
- Organizer
  直観幾何学
- Place of Presentation
  熊本大学(熊本市)
- Invited
- Data Source
  KAKENHI-PROJECT-23654020
[Presentation] SPHERICAL TILINGS BY CONGRUENT POLYGONS
- Author(s)
  Yohji Akama
- Organizer
  Student-Faculty Colloquium, Department of Mathematics, Hong Kong University of Science and Technology
- Place of Presentation
  Hong Kong, China
- Invited
- Data Source
  KAKENHI-PROJECT-23654020

1. TANAKA Kazuyuki (70188291)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. YAMAMOTO Akihiro (30230535)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
3. ISHIHARA Hajime (10211046)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. HIRATA Kouichi (20274558)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. DOI Koichiro (10345126)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TOKUNAGA Hiroo (30211395)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
7. KOTANI Motoko (50230024)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. ODA Tadao (60022555)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. KASHIMA Ryo (10240756)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. HORAI Masako (00015588)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. HASEGAWA Ryu (20243107)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. TATSUTA Makoto (80216994)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. HAYASHI Susumu (40156443)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. YASUGI Mariko (90022277)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. TAMURA Naoyuki (60207248)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. TAKEDA Masayoshi (30179650)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. MORITA Yasuo (20011653)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. YAMAZAK Takeshi (30336812)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. Sunada Toshikazu (20022741)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 廣川佐千男 (40126785)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 安本雅洋 (10144114)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 菊池誠 (60273801)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 高橋大輔 (50188025)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 楯辰哉 (00317299)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 樋口雄介 (20286842)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 内藤久資 (40211411)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 阿原一志 (80247147)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 室伏元子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

AKAMA Yohji 赤間 陽二

Research Projects

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Co-Researchers

Symmetry and deformation of spherical tilingPrincipal Investigator

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The development of discrete geometric analysis

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Mathematical approach to materials science by using non-commutative geometry

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Efficiency for machine to learn discrete geometric objectsPrincipal Investigator

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Knowledge Discovery from Structured Data with Efficient Methods of Searching Lower Sets Based on Frequency

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Reverse Mathematics in Constructive Mathematics

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近似プログララムの計算論-古典論理の証明のテストにむけて-Principal Investigator

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Logic of Limit Computing and its Applications

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Comparative studies on nonstandard methods and constructive methods

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変換系と翻訳の理論と応用Principal Investigator

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Studies on logical structures of arithmetic and computation

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ゲーム理論とプログラム言語の意味論Principal Investigator

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[Journal Article] Tilings of the sphere by congruent pentagons III: Edge combination a52022

Author(s)

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AKAMA Yohji 赤間陽二