OHSUGI Hidefumi 大杉英史

… Alternative Names

Ohsugi Hidefumi 大杉英史

OOSUGI Hidefumi 大杉英史

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Researcher Number	80350289
Other IDs
Affiliation (Current)	2025: 関西学院大学, 理学部, 教授
Affiliation (based on the past Project Information) *help	2020 – 2024: 関西学院大学, 理学部, 教授 2018 – 2019: 関西学院大学, 理工学部, 教授 2014 – 2016: 関西学院大学, 理工学部, 教授 2013: 立教大学, 理学部, 准教授 2011 – 2013: 立教大学, 理学部, 教授 … More 2007 – 2011: Rikkyo University, 理学部, 准教授 2009: 立教大学, 理学部, 助教授 2005 – 2006: Rikkyo University, School of Science, Associate Professor, 理学部, 助教授 2002 – 2004: 立教大学, 理学部, 講師 Less
Review Section/Research Field	Principal Investigator Algebra / Basic Section 12030:Basic mathematics-related / Sections That Are Subject to Joint Review: Basic Section12030:Basic mathematics-related , Basic Section12040:Applied mathematics and statistics-related / Basic Section 12040:Applied mathematics and statistics-related Except Principal Investigator Algebra / Statistical science / Medium-sized Section 11:Algebra, geometry, and related fields / Algebra
Keywords	Principal Investigator グレブナー基底 / トーリックイデアル / エルハート多項式 / 凸多面体 / 多面体 / 環論 / トーリック環 / コスツル代数 / マルコフ基底 / 可換環 … More / 誤り訂正符号 / 不変式 / Sagbi基底 / 整数計画 / stable polytope / h列 / compressed polytope / special simplex / Gorenstein環 … More Except Principal Investigator グレブナー基底 / トーリックイデアル / アルゴリズム / 整数計画 / イニシャルイデアル / 凸多面体 / 計算可換代数 / 計算代数統計 / 計算代数解析 / 有限グラフ / 凸多面体の組合せ論 / 超平面配置 / 条件つき検定 / マルコフ連鎖モンテカルロ法 / 計算の効率化 / マルコフ基底 / 符号理論 / h*多項式 / 格子凸多面体 / Ehrhart理論 / 小田予想 / Unimodal予想 / 格子多面体 / Groebner basis / Riemann zeta function / prehomogenous vector space / Jacobi sum / Fermat curve / Tate-Shafarevich group / elliptic curve / Gross conjecture / L関数 / 保型形式 / トーリック環 / ゼータ関数 / Tate-Safarevich群 / トーリック多様体 / Eisenstein級数 / 局所密度 / 二次形式 / テイト・シャファレヴィッチ群 / アーベル多様体 / リーマンゼータ関数 / 概均質ベクトル空間 / ヤコビ和 / Fermat曲線 / Tate-Shaferevich群 / 楕円曲線 / Gross予想 / Initial Ideal / Toric Ideal / Finite Graph / Corner Polytope / Integer Programming / Lattice Ideal / Universal Grobner Basis / Grobner Basis / corner polyhedron / Gomory relaxation / 組合せ最適化問題 / 隣接行列 / 端凸多面体 / ラティスイデアル / 普遍グレブナー基底 / 準素分解 / 根基イデアル / 正規凸多面体 / 巡回凸多面体 / 辺凸多面体 / 正則三角形分割 / 鎖凸多面体 / 順序凸多面体 / 有限半順序集合 / Ehrhart 多項式 / Cameron--Walker graph / binomial edge ideal / edge ring / 二項式辺イデアル / 辺イデアル / ファノ凸多面体 / 単項式イデアル / 離散数学 / 計算代数幾何 / generic initial ideal / D加群 / グレブナ-基底 / 分割表 / 条件付き検定 / 統計数学 / 有限自由分解 / 0次元ラティスイデアル / 可換代数 / 正則度 / 極小自由分解 / 三角形分割 Less

Construction of a unified theory for toric rings of lattice polytopes arising from combinatorial objectsPrincipal Investigator
- Principal Investigator
  
  大杉英史
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
  Basic Section 12040:Applied mathematics and statistics-related
  Sections That Are Subject to Joint Review: Basic Section12030:Basic mathematics-related , Basic Section12040:Applied mathematics and statistics-related
- Research Institution
  Kwansei Gakuin University
Challenge towards the open problems in the theory of lattice polytopes by algebraic and combinatorial methods
- Principal Investigator
  
  東谷章弘
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Osaka University
Development of new methods in the theory of convex polytopes by combining new concepts of discrete geometry and the theory of Groebner basesPrincipal Investigator
- Principal Investigator
  
  Ohsugi Hidefumi
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
- Research Institution
  Kwansei Gakuin University
Toric rings of configurations constructed by a method with symmetriesPrincipal Investigator
- Principal Investigator
  
  Ohsugi Hidefumi
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kwansei Gakuin University
  Rikkyo University
Developments of mathematical statistics through computational algebraic methods
- Principal Investigator
  
  TAKEMURA Akimichi
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Statistical science
- Research Institution
  The University of Tokyo
Study on open problems arising from convex polytopes with strategies of the developed theory of Groebner bases
- Principal Investigator
  
  HIBI Takayuki
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Construction of theory of geometric and combinatorial deformations of toric ringsPrincipal Investigator
- Principal Investigator
  
  HIDEFUMI Ohsugi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Rikkyo University
Developments of computational algebraic statistics
- Principal Investigator
  
  TAKEMURA Akimichi
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Statistical science
- Research Institution
  The University of Tokyo
The Study of theoretical aspects and practical aspect on Grobner Bases
- Principal Investigator
  
  HIBI Takayuki
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
計算可換代数と計算代数幾何についての国際研究集会の企画調査
- Principal Investigator
  
  日比孝之
- Project Period (FY)
  2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Groebner bases of ideals and rings related with invariant polynomials and its application to information sciencePrincipal Investigator
- Principal Investigator
  
  HIDEFUMI Ohsugi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Rikkyo University
グレブナー基底の理論的有効性と実践的有効性に関する共同研究の企画調査
- Principal Investigator
  
  日比孝之
- Project Period (FY)
  2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
グレブナー基底の理論的有効性と実践的有効性についての国際研究集会の企画調査
- Principal Investigator
  
  日比孝之
- Project Period (FY)
  2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
整数計画問題におけるグレブナー基底の理論的および実践的有効性Principal Investigator
- Principal Investigator
  
  大杉英史
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Rikkyo University
Study of universal Grobner bases of zero-dimensional lattice ideals
- Principal Investigator
  
  HIBI Takayuki
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Study on interrelations among quadratic forms, automorphic forms and related various zeta-functions
- Principal Investigator
  
  AOKI Noboru
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Rikkyo University
凸多面体を巡る組合せ数学の代数的諸相についての国際研究集会の企画調査
- Principal Investigator
  
  HIBI Takayuki
- Project Period (FY)
  2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University

[Book] Binomial Ideals2018
- Author(s)
  Juergen Herzog, Takayuki Hibi, Hidefumi Ohsugi
- Total Pages
  321
- Publisher
  Springer International Publishing
- ISBN
  9783319953472
- Data Source
  KAKENHI-PROJECT-18H01134
[Book] グレブナー教室2015
- Author(s)
  竹村彰通，日比孝之，原尚幸，東谷章弘，清智也，「グレブナー道場」著者一同（大杉英史は著者一同に含まれる）
- Total Pages
  205
- Publisher
  共立出版
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] A note on the reducedness and Groebner bases of Specht ideals2022
- Author(s)
  Murai Satoshi、Ohsugi Hidefumi、Yanagawa Kohji
- Journal Title
  
  Communications in Algebra
  
  Volume: 50 Issue: 12 Pages: 5430-5434
- DOI
  10.1080/00927872.2022.2085288
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03456, KAKENHI-PROJECT-21K03190, KAKENHI-PROJECT-18H01134
[Journal Article] Perfectly contractile graphs and quadratic toric rings2022
- Author(s)
  Ohsugi Hidefumi、Shibata Kazuki、Tsuchiya Akiyoshi
- Journal Title
  
  Bulletin of the London Mathematical Society
  
  Volume: ー Issue: 3 Pages: 1264-1274
- DOI
  10.1112/blms.12789
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K13890, KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19K14505
[Journal Article] Edge rings with q-linear resolutions2022
- Author(s)
  Mori Kenta、Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Journal of Algebra
  
  Volume: 593 Pages: 550-567
- DOI
  10.1016/j.jalgebra.2021.11.018
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19J00312, KAKENHI-PROJECT-19K14505
[Journal Article] PQ-Type Adjacency Polytopes of Join Graphs2022
- Author(s)
  Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Discrete & Computational Geometry
  
  Volume: ー Issue: 1 Pages: 214-235
- DOI
  10.1007/s00454-022-00447-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K13890, KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19K14505
[Journal Article] Quadratic Groebner bases of block diagonal matching field ideals and toric degenerations of Grassmannians2022
- Author(s)
  Higashitani Akihiro、Ohsugi Hidefumi
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 226 Issue: 2 Pages: 106821-106821
- DOI
  10.1016/j.jpaa.2021.106821
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-20K03513
[Journal Article] The h*-Polynomials of Locally Anti-Blocking Lattice Polytopes and Their γ-Positivity2021
- Author(s)
  Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Discrete & Computational Geometry
  
  Volume: 66 Issue: 2 Pages: 701-722
- DOI
  10.1007/s00454-020-00236-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19J00312, KAKENHI-PROJECT-19K14505
[Journal Article] Symmetric edge polytopes and matching generating polynomials2021
- Author(s)
  Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Combinatorial Theory
  
  Volume: 1 Issue: 0
- DOI
  10.5070/c61055371
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19J00312, KAKENHI-PROJECT-19K14505
[Journal Article] Integer decomposition property for Cayley sums of order and stable set polytopes2020
- Author(s)
  Takayuki Hibi, Hidefumi Ohsugi, Akiyoshi Tsuchiya
- Journal Title
  
  Michigan Mathematical Journal
  
  Volume: 掲載確定 Issue: 4 Pages: 765-778
- DOI
  10.1307/mmj/1585792887
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19K14505, KAKENHI-PROJECT-19J00312
[Journal Article] Enriched chain polytopes2020
- Author(s)
  Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Israel Journal of Mathematics
  
  Volume: － Issue: 1 Pages: 485-500
- DOI
  10.1007/s11856-020-2012-1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14505, KAKENHI-PROJECT-19J00312, KAKENHI-PROJECT-18H01134
[Journal Article] Enriched order polytopes and enriched Hibi rings2020
- Author(s)
  Hidefumi Ohsugi, Akiyoshi Tsuchiya
- Journal Title
  
  European Journal of Mathematics
  
  Volume: published online Issue: 1 Pages: 48-68
- DOI
  10.1007/s40879-020-00403-2
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-19K14505, KAKENHI-PROJECT-19J00312
[Journal Article] Nef-partitions arising from unimodular configurations2020
- Author(s)
  Hidefumi Ohsugi, Akiyoshi Tsuchiya
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 掲載確定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01134
[Journal Article] Toric ideals of Minkowski sums of unit simplices2020
- Author(s)
  Akihiro Higashitani, Hidefumi Ohsugi
- Journal Title
  
  Algebraic Combinatorics
  
  Volume: 掲載確定
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134
[Journal Article] Reflexive polytopes arising from bipartite graphs with $$\gamma $$-positivity associated to interior polynomials2020
- Author(s)
  Ohsugi Hidefumi、Tsuchiya Akiyoshi
- Journal Title
  
  Selecta Mathematica
  
  Volume: 26 Issue: 4 Pages: 59-59
- DOI
  10.1007/s00029-020-00588-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14505, KAKENHI-PROJECT-19J00312, KAKENHI-PROJECT-18H01134
[Journal Article] Toric rings and ideals of stable set polytopes2019
- Author(s)
  Kazunori Matsuda, Hidefumi Ohsugi, Kazuki Shibata
- Journal Title
  
  Mathematics
  
  Volume: 7 Issue: 7 Pages: 613-613
- DOI
  10.3390/math7070613
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01134, KAKENHI-PROJECT-17K14165
[Journal Article] Ehrhart series of fractional stable set polytopes of finite graphs2017
- Author(s)
  Ginji Hamano, Takayuki Hibi, Hidefumi Ohsugi
- Journal Title
  
  Annals of Combinatorics
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] Reverse lexicographic squarefree initial ideals and Gorenstein Fano polytopes2017
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] A Grobner basis characterization for chordal comparability graphs2017
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi
- Journal Title
  
  European Journal of Combinatorics
  
  Volume: 59 Pages: 122-128
- DOI
  10.1016/j.ejc.2016.08.004
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-16H01556, KAKENHI-PROJECT-24540055
[Journal Article] Reverse lexicographic Groebner bases and strongly Koszul toric rings2016
- Author(s)
  Kazunori Matsuda, Hidefumi Ohsugi
- Journal Title
  
  Mathematica Scandinavica
  
  Volume: 119 Issue: 2 Pages: 161-168
- DOI
  10.7146/math.scand.a-24741
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] Markov chain Monte Carlo methods for the Box-Behnken designs and centrally symmetric configurations2016
- Author(s)
  S. Aoki, T. Hibi and H. Ohsugi
- Journal Title
  
  Journal of Statistical Theory and Practice
  
  Volume: 10 Issue: 1 Pages: 59-72
- DOI
  10.1080/15598608.2015.1067172
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500355, KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-26220701
[Journal Article] Centrally symmetric configurations of order polytopes2015
- Author(s)
  T. Hibi, K. Matsuda, H. Ohsugi, K. Shibata
- Journal Title
  
  Journal of Algebra
  
  Volume: 443 Pages: 469-478
- DOI
  10.1016/j.jalgebra.2015.06.010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-14J04365, KAKENHI-PROJECT-25610032, KAKENHI-PROJECT-26220701
[Journal Article] Many toric ideals generated by quadratic binomials possess no quadratic Groebner bases2014
- Author(s)
  T. Hibi, K. Nishiyama, H. Ohsugi and A. Shikama
- Journal Title
  
  J. Algebra
  
  Volume: 408 Pages: 138-146
- DOI
  10.1016/j.jalgebra.2013.09.039
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008, KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-25610032, KAKENHI-PROJECT-26220701
[Journal Article] Centrally symmetric configurations of integer matrices2014
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Nagoya Mathematical Journal
  
  Volume: 216 Pages: 153-170
- DOI
  10.1215/00277630-2857555
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-25610032
[Journal Article] Gorenstein cut polytopes2014
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  European Journal of Combinatorics
  
  Volume: 38 Pages: 122-129
- DOI
  10.1016/j.ejc.2013.11.010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] Toric ideals of finite graphs and adjacent 2-minors2014
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Mathematica Scandinavica
  
  Volume: 114 Pages: 185-190
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] Markov chain Monte Carlo methods for the regular two-level fractional factorial designs and cut ideals2013
- Author(s)
  S. Aoki, T. Hibi and H. Ohsugi
- Journal Title
  
  J. Statist. Plann. Inference
  
  Volume: 143 Issue: 10 Pages: 1791-1806
- DOI
  10.1016/j.jspi.2013.06.009
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008, KAKENHI-PROJECT-23500355, KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-25610032
[Journal Article] Toric ideals and their circuits2013
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  J. Commutative Algebra
  
  Volume: 5 Issue: 2 Pages: 309-322
- DOI
  10.1216/jca-2013-5-2-309
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008, KAKENHI-PROJECT-24540055, KAKENHI-PROJECT-25610032
[Journal Article] Roots of the Ehrhart polynomial of hypersimplices2013
- Author(s)
  Hidefumi Ohsugi, Kazuki Shibata
- Journal Title
  
  Comment. Math. Univ. St. Pauli
  
  Volume: 62 Pages: 91-108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540055
[Journal Article] Smooth Fanopolytopes whose Ehrhart polynomialhas a root with large real part2012
- Author(s)
  H. Ohsugi and K. Shibata
- Journal Title
  
  Discrete and Computational Geometry
  
  Volume: vol.47 Issue: 3 Pages: 624-628
- DOI
  10.1007/s00454-012-9395-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Roots of Ehrhart polynomials ofGorenstein Fano polytopes2011
- Author(s)
  T. Hibi, A. Higashitani and H. Ohsugi
- Journal Title
  
  Proceedings of the AmericanMathematical Society
  
  Volume: vo.139 Issue: 10 Pages: 3727-3734
- DOI
  10.1090/s0002-9939-2011-11013-x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030, KAKENHI-PROJECT-22340008
[Journal Article] Non-very ample configurations arising from contingency tables2010
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi.
- Journal Title
  
  Annals f the Institute of Statistical Mathematics to appear.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18200019
[Journal Article] Normality of cut polytopesof graphs is a minor closed property2010
- Author(s)
  H. Ohsugi
- Journal Title
  
  Discrete Mathematics
  
  Volume: vol.310 Issue: 6-7 Pages: 1160-1166
- DOI
  10.1016/j.disc.2009.11.012
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Non-very ample configurations arising from contingency tables2010
- Author(s)
  大杉英史、日比孝之
- Journal Title
  
  Annals of the Institute of Statistical Mathematics
  
  Volume: 62 Pages: 639-644
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008
[Journal Article] Toric rings and ideals of nested configurations2010
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: vol.2 Pages: 187-208
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Normality of cut polytopes of graphs is a minor closed property2010
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Discrete Mathematics 310
  
  Pages: 1160-1166
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Non-very ample configurations arising fromcontingency tables2010
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Annals of thenstitute of Statistical Mathematics
  
  Volume: vol.62 Issue: 4 Pages: 639-644
- DOI
  10.1007/s10463-010-0288-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Non-very ample configurations arising from contingency tables2010
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi
- Journal Title
  
  Annals of the Institute of Statistical Mathematics
  
  Volume: 62 Pages: 639-644
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Markov basis and Grobner basis of Segre--Veronese configuration for testing independence in group-wise selections2010
- Author(s)
  青木敏、日比孝之、大杉英史、竹村彰通
- Journal Title
  
  Annals of the Institute of Statistical Mathematics
  
  Volume: 62 Pages: 299-321
- NAID
  40017002001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008
[Journal Article] Toric rings and ideals of nested configurations2010
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: 2 Pages: 187-208
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Toric rings and ideals of nested configurations2010
- Author(s)
  大杉英史、日比孝之
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: 2 Pages: 187-208
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340008
[Journal Article] Toric rings and ideals of nested configurations.2010
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi.
- Journal Title
  
  Journal of Commutative Algebra to appear.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18200019
[Journal Article] Markov basis and Grobner basis of Segre-Veronese configuration for testing independence in group-wise selections.2010
- Author(s)
  Satoshi Aoki, Takayuki Hibi, Hidefumi Ohsugi, A.Takemura
- Journal Title
  
  Annals of the Institute of Statistical Mathematics 62
  
  Pages: 299-321
- NAID
  40017002001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18200019
[Journal Article] Two way subtable sum problems and quadratic Grobner bases2009
- Author(s)
  Hidefumi Ohsugi and Takayuki Hibi
- Journal Title
  
  Proceedings of the AMS 137
  
  Pages: 1539-1542
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Two way subtable sum problems and quadratic Grobner bases2009
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Proceedings of the AMS 137
  
  Pages: 1539-1542
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Two way subtable sum problems and quadratic Grobner bases2009
- Author(s)
  大杉英史、日比孝之
- Journal Title
  
  Proc.Amer.Math.Soc. 137
  
  Pages: 1539-1542
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Unmixed bipartite graphs and sublattices of the Boolean lattices2009
- Author(s)
  J. Herzog, T. Hibi, H. Ohsugi
- Journal Title
  
  J. Algebraic Combin 30
  
  Pages: 415-420
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Two way subtable sum problems and quadratic Grobner bases2009
- Author(s)
  H. Ohsugi, T. Hibi
- Journal Title
  
  Proc. Amer. Math. Soc 137
  
  Pages: 1539-1542
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Two way subtable sum problems and quadratic Groebner bases.2009
- Author(s)
  Hidefumi Ohsugi, Takayuki Hibi.
- Journal Title
  
  Proceedings of the AMS 137,no.5
  
  Pages: 1539-1542
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18200019
[Journal Article] Groebner bases of nested configurations2008
- Author(s)
  S. Aoki, T. Hibi, H. Ohsugi and A. Takemura
- Journal Title
  
  J. Algebra 320
  
  Pages: 2583-2593
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Grobner bases of nested configurations2008
- Author(s)
  S. Aoki, T. Hibi, H. Ohsugi, A. Takemura
- Journal Title
  
  J. Algebra 320
  
  Pages: 2583-2593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Grobner bases of nested configurations2008
- Author(s)
  Satoshi Aoki, Takayuki Hibi, Hidefumi Ohsugi and Akimichi Takemura
- Journal Title
  
  Journal of Algebra 320
  
  Pages: 2583-2593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Grobner bases of nested configurations2008
- Author(s)
  S. Aoki, T. Hibi, H. Ohsugi and A. Takemura
- Journal Title
  
  Journal of Algebra 320
  
  Pages: 2583-2593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Grobner bases arising from combinatorics, Integer Points in Polyhedra-Geometry, Number Theory, Representation Theory, Algebra, Optimization, Statistics, Contemp. Math2008
- Author(s)
  H. Ohsugi, T. Hibi
- Journal Title
  
  Amer. Math. Soc
  
  Pages: 123-138
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Groebner bases of nested configurations.2008
- Author(s)
  Satoshi Aoki, Takayuki Hibi, Hidefumi Ohsugi and A. Takemura
- Journal Title
  
  Journal of Algebra 320
  
  Pages: 2583-2593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18200019
[Journal Article] Toric ideals arising from contingency tables, Commutative Algebra and Combinatorics2007
- Author(s)
  H. Ohsugi, T. Hibi
- Journal Title
  
  Ramanujan Math. Soc. Lect. Notes Ser
  
  Pages: 91-115
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] A geometric definition of combinatorial pure subrings and Groebner bases of toric ideals of positive roots2007
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Comment. Math. Univ. St. Pauli 56, no.1
  
  Pages: 27-44
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] A geometric definition of combinatorial pure subrings and Grobner bases of toric ideals of positive roots2007
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Comment. Math. Univ. St. Pauli 56no.1
  
  Pages: 27-44
- NAID
  110007689220
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Special simplices and Gorenstein toric rings2006
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  J. Combin. Theory (Ser.A) 113
  
  Pages: 718-725
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Grobner bases of Hilbert ideals ofalternating groups2006
- Author(s)
  Takashi Wada and Hidefumi Ohsugi
- Journal Title
  
  Journal of Symbolic Computation 41 No.8
  
  Pages: 905-908
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Special simplices and Gorenstein toric rings2006
- Author(s)
  H. Ohsugi, T. Hibi
- Journal Title
  
  J. Combin. Theory Ser 113
  
  Pages: 718-725
- Data Source
  KAKENHI-PROJECT-18340008
[Journal Article] Indispensable binomials of finite graphs2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  J. Algebra Appl. 4
  
  Pages: 421-434
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] The h-vector of a Gorenstein toric ring of a compressed polytope2005
- Author(s)
  Hidefumi Ohsugi 他
- Journal Title
  
  Electronic J.Combinatorics 11, no.2 (2004/2006)(electronic)
  
  Pages: 4-5
- Data Source
  KAKENHI-PROJECT-15740024
[Journal Article] Indispensable binomials of finite graphs2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  J.Algebra Appl. 4
  
  Pages: 421-434
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] The $h$-vector of a Gorenstein toric ring of a compressed polytope2005
- Author(s)
  H.Ohsugi, T.Hibi
- Journal Title
  
  Electron.J.Combin., 11(2004/06), no.2, Note 4, 5pp.(electronic) 11
- Data Source
  KAKENHI-PROJECT-15540049
[Journal Article] The n-rector of a Gonenstein toric sing of a compassed polytope2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Electric J.Combinatorics 11(2)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Prestable ideals and SAGBI bases2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Math.Sand. 96
  
  Pages: 22-30
- Data Source
  KAKENHI-PROJECT-17634001
[Journal Article] Prestable ideals and SAGBI bases2005
- Author(s)
  H.Ohsugi
- Journal Title
  
  Math.Scand. 96
  
  Pages: 22-30
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Prestable ideals and SAGBI bases2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Math.Scand. 96
  
  Pages: 22-30
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Indispensable binomials of finite graphs2005
- Author(s)
  H.Ohsugi
- Journal Title
  
  J.Algebra Appl. 4
  
  Pages: 421-434
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Indispensable binomials of finite graphs2005
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  J. Algebra Appl. 4
  
  Pages: 421-434
- Data Source
  KAKENHI-PROJECT-17634001
[Journal Article] The h-vector of a Gorenstein toric ring of a compressed polytope2004
- Author(s)
  H.Ohsugi
- Journal Title
  
  Electric J.Combin. 11(2)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Universal Grobner bases, integer programming and finite graphs2003
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Commutative Algebra Singularities and Computer Algebra (単行本)
  
  Pages: 179-180
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Universal Groebner bases, integer programming and finite graphs2003
- Author(s)
  H.Ohsugi
- Journal Title
  
  Commutative Algebra, Singularities and Computer Algebra (Kluwer Acad.Publ.)
  
  Pages: 179-190
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Grobner bases of certain zero-dimensional ideals arising in coding theory2003
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Advances in Appl.Math. 31
  
  Pages: 420-432
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Normalized volumes of configurations related with root systems and complete bipartite graphs2003
- Author(s)
  Hidefumi Ohsugi
- Journal Title
  
  Discrete Math. 268
  
  Pages: 217-242
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Normalized volumes of configurations related with root systems and complete bipartite graphs2003
- Author(s)
  H.Ohsugi
- Journal Title
  
  Discrete Math. 268
  
  Pages: 217-242
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Groebner bases of certain zero-dimensional ideals arising in coding theory2003
- Author(s)
  H.Ohsugi
- Journal Title
  
  Adv. in Appl.Math. 31
  
  Pages: 420-432
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340007
[Journal Article] Special simplices and Gorenstein toric rings
- Author(s)
  Hidefumi Ohsugi 他
- Journal Title
  
  J.Combinatorial Theory, Series A 印刷中
- Data Source
  KAKENHI-PROJECT-15740024
[Journal Article] Prestable ideals and Sagbi bases
- Author(s)
  Hidehumi Ohsugi, T.Hibi
- Journal Title
  
  Mathematica Scandinavica (印刷中)
- Data Source
  KAKENHI-PROJECT-15540049
[Journal Article] Centrallysymmetric configurations of integermatrices
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Nagoya Mathematical Journal
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Indispensable binomials of finite graphs
- Author(s)
  Hidefumi Ohsugi他
- Journal Title
  
  Journal of algebra and its applications 掲載予定
- Data Source
  KAKENHI-PROJECT-15740024
[Journal Article] Unmixed bipartite graphs and sublattices of the Boolean lattices
- Author(s)
  Juergen Herzog, Takayuki Hibi and Hidefumi Ohsugi
- Journal Title
  
  Journal of Algebraic Combinatorics (in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Toric ideals of finite graphs and adjacent 2-minors
- Author(s)
  H. Ohsugi and T. Hibi
- Journal Title
  
  Mathematica Scandinavica
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740030
[Journal Article] Prestable ideals and Sagbi bases
- Author(s)
  Hidefumi Ohsugi他
- Journal Title
  
  Mathematica Scandinavica 印刷中
- Data Source
  KAKENHI-PROJECT-15740024
[Journal Article] Markov basis and Grobner basis of Segre-Veronese configuration for testing independence in group-wise selections
- Author(s)
  Satoshi Aoki, Takayuki Hibi, Hidefumi Ohsugi and Akimichi Takemura
- Journal Title
  
  Annals of the Institute of Statistical Mathematics (in press)
- NAID
  40017002001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18740018
[Journal Article] Special simplices and Gorenstein toric rings
- Author(s)
  H.Ohsugi, T.Hibi
- Journal Title
  
  J.Combinatorial Theory, Series A (in press)
- Data Source
  KAKENHI-PROJECT-15540049
[Presentation] perfectly contractile graph の可換環論的特徴づけ2022
- Author(s)
  土谷昭善, 大杉英史, 柴田和樹
- Organizer
  2022年度応用数学合同研究集会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Edge rings with q-linear resolutions2021
- Author(s)
  毛利健太、大杉英史、土谷昭善
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] 対称辺凸多面体とマッチング生成多項式2021
- Author(s)
  大杉英史、土谷昭善
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Block diagonal matching field イデアルとグラスマン多様体のトーリック退化2021
- Author(s)
  東谷章弘、大杉英史
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Quadratic Groebner bases of block matching field ideals2021
- Author(s)
  大杉英史
- Organizer
  MFO-RIMS Tandem Workshop “Symmetries on polynomial ideals and varieties”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] 単位単体のミンコフスキ和のトーリックイデアル2020
- Author(s)
  大杉英史
- Organizer
  組合せ論と可換環論
- Invited
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Unimodular 配置に付随する nef 分割2020
- Author(s)
  大杉英史、土谷昭善
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Quadratic Groebner bases of block diagonal matching field ideals and toric degenerations of Grassmannians2020
- Author(s)
  大杉英史
- Organizer
  東京可換環論セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Enriched Hibi ring2019
- Author(s)
  大杉英史，土谷昭善
- Organizer
  日本数学会2019年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Reflexive polytopes arising from bipartite graphs with γ-positivity associated to interior polynomials2019
- Author(s)
  Hidefumi Ohsugi, Akiyoshi Tsuchiya
- Organizer
  AMS Spring Central and Western Sectional Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] 二部グラフに付随するある反射的凸多面体のγ-positive 性と内部多項式の関係2019
- Author(s)
  大杉英史，土谷昭善
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] Two enriched poset polytopes2019
- Author(s)
  大杉英史，土谷昭善
- Organizer
  日本数学会2019年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] 順序凸多面体と安定集合凸多面体のケーリー和とその正規性およびGorenstein性2019
- Author(s)
  大杉英史，土谷昭善，日比孝之
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-18H01134
[Presentation] グレブナー基底によるコーダルな比較可能グラフの特徴付け2017
- Author(s)
  大杉英史，日比孝之
- Organizer
  日本数学会２０１７年度年会
- Place of Presentation
  首都大学東京（東京都八王子市）
- Year and Date
  2017-03-27
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Ehrhart series of fractional stable set polytopes of finite graphs2017
- Author(s)
  Hidefumi Ohsugi
- Organizer
  Workshop on Convex Polytopes for Graduate Students
- Place of Presentation
  大阪大学（大阪府吹田市）
- Year and Date
  2017-01-24
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Toric ideals of fractional factorial designs2016
- Author(s)
  Hidefumi Ohsugi
- Organizer
  RIMS workshop, Algebraic Statistics and Symbolic Computation
- Place of Presentation
  京都大学（京都府京都市）
- Year and Date
  2016-07-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] トーリックイデアルのグレブナー基底とその応用2016
- Author(s)
  大杉英史
- Organizer
  城崎新人セミナー
- Place of Presentation
  城崎市民センター大会議室（兵庫県豊岡市）
- Year and Date
  2016-02-16
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Ehrhart series of fractional stable set polytopes2016
- Author(s)
  Hidefumi Ohsugi
- Organizer
  Homological and Computational Methods in Commutative Algebra
- Place of Presentation
  Palazzone in Cortona, Italy
- Year and Date
  2016-05-30
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] トーリックイデアルの２次生成性と２次グレブナー基底2015
- Author(s)
  大杉英史
- Organizer
  計算代数システムによる新しい数学の開拓と発展
- Place of Presentation
  京都大学数理解析研究所（京都府京都市）
- Year and Date
  2015-10-02
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Reverse lexicographic Groebner bases and Gorenstein Fano polytopes2015
- Author(s)
  大杉英史
- Organizer
  The 8th Mathematical Society of Japan Seasonal Institute Current Trends on Groebner Bases
- Place of Presentation
  ホテル日航大阪（大阪府大阪市）
- Year and Date
  2015-07-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Reverse lexicographic squarefree initial ideals and Gorenstein Fano polytopes2015
- Author(s)
  大杉英史
- Organizer
  第27回可換環論セミナー
- Place of Presentation
  静岡大学
- Year and Date
  2015-01-27
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] 半順序集合に付随する中心的対称多面体2015
- Author(s)
  大杉英史，柴田和樹，日比孝之，松田一徳
- Organizer
  日本数学会年会
- Place of Presentation
  明治大学
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] トーリックイデアルのグレブナー基底とその諸分野への応用2015
- Author(s)
  大杉英史
- Organizer
  ２０１５年度秋季総合分科会（特別講演）
- Place of Presentation
  京都産業大学（京都府京都市）
- Year and Date
  2015-09-13
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Groebner bases of toric ideals and their application2014
- Author(s)
  大杉英史
- Organizer
  第5回AIMRジョイントセミナー
- Place of Presentation
  東北大学
- Year and Date
  2014-10-31
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] 逆辞書式グレブナー基底と強Koszul トーリック環2014
- Author(s)
  松田一徳，大杉英史
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  広島大学
- Year and Date
  2014-09-26
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Toric rings and ideals of cut polytopes2014
- Author(s)
  大杉英史
- Organizer
  組合せ論と可換代数サマーセミナー2014
- Place of Presentation
  宮島コーラルホテル（広島）
- Year and Date
  2014-09-23
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Smooth Fano polytopes whose Ehrhart polynomial has a root with large real part2012
- Author(s)
  柴田和樹,大杉英史
- Organizer
  日本数学会 2012 年度年会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Toric ideals of finite graphs and adjacent 2-minors2012
- Author(s)
  大杉英史, 日比孝之
- Organizer
  日本数学会2012年度年会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Toric ideals of finite graphs and adjacent 2-minors2012
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会 2012 年度年会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Cut ideals and their application to regular designs in statistics2012
- Author(s)
  Hidefumi Ohsugi
- Organizer
  Combinatorial Commutative Algebra and Applications
- Place of Presentation
  MSRI (U.S.A.)
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Grobner bases of toric ideals of nested configurations arising in algebraic statistics2012
- Author(s)
  大杉英史
- Organizer
  BiWO2011
- Place of Presentation
  産総研臨海副都心センター(招待講演)
- Year and Date
  2012-01-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Grobner bases of toric ideals of nested configurations arising in algebraic statistics2012
- Author(s)
  H. Ohsugi
- Organizer
  BiWO2011 (Introduction of Symbolic Computation: Toward its Application to Biological Sciences)
- Place of Presentation
  産総研臨海副都心センター
- Year and Date
  2012-01-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Smooth Fano polytopes whose Ehrhart polynomial has a root with large real part2012
- Author(s)
  柴田和樹, 大杉英史
- Organizer
  日本数学会2012年度年会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Centrally symmetric configurations of integer matrices2011
- Author(s)
  大杉英史, 日比孝之
- Organizer
  日本数学会2011年度秋季総合分科会
- Place of Presentation
  信州大学
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Centrally symmetric configurations of integer matrices2011
- Author(s)
  大杉英史, 日比孝之
- Organizer
  数理統計学の新たな展開
- Place of Presentation
  つくば国際会議場
- Year and Date
  2011-07-09
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Centrally symmetric configurations of integer matrices2011
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  信州大学
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Toric rings and ideals of nested configurations arising in algebraic statistics2011
- Author(s)
  H. Ohsugi and T. Hibi
- Organizer
  The17th International Conference onApplications of Computer Algebra
- Place of Presentation
  Houston, Texas(アメリカ).
- Year and Date
  2011-06-28
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Toric rings and ideals of nested configurations arising in algebraic statistics2011
- Author(s)
  大杉英史, 日比孝之
- Organizer
  The 17th International Conference on Applications of Computer Algebra
- Place of Presentation
  Houston, Texas, U.S.A.(招待講演)
- Year and Date
  2011-06-28
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] トーリックイデアルのグレブナー基底とその応用2010
- Author(s)
  大杉英史
- Organizer
  トロピカル幾何と超離散系の新展開
- Place of Presentation
  京都大学工学部
- Year and Date
  2010-03-10
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] 分割表に付随するトーリック環のvery ample性2010
- Author(s)
  大杉英史
- Organizer
  日本数学会2010年度年会
- Place of Presentation
  慶應義塾大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] トーリックイデアルの20年2010
- Author(s)
  大杉英史
- Organizer
  第55回代数学シンポジウム
- Place of Presentation
  北海道大学
- Year and Date
  2010-08-09
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] 分割表に付随するトーリック環の very ample 性2010
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会2010年度年会
- Place of Presentation
  慶應義塾大学.
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Unmixed bipartite graphs and sublattices of the Boolean lattices2009
- Author(s)
  Juergen Herzog,日比孝之,大杉英史
- Organizer
  日本数学会年会
- Place of Presentation
  東京大学
- Year and Date
  2009-03-29
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Toric ideals of nested configurations Special session on Algebra & Number Theory with Polyhedra2009
- Author(s)
  H. Ohsugi
- Organizer
  Western Section AMS Meeting
- Place of Presentation
  サンフランシスコ州立大学(アメリカ)
- Year and Date
  2009-04-26
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Grobner bases of nested configurations II2009
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会2009 年度秋季総合分科会
- Place of Presentation
  大阪大学
- Year and Date
  2009-09-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Edge polytopes and some examples2009
- Author(s)
  H. Ohsugi
- Organizer
  Combinatorial challenges in toric varieties
- Place of Presentation
  American Institute of Mathematics(アメリカ)
- Year and Date
  2009-04-29
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Normality of toric rings arising from nested configurations2009
- Author(s)
  大杉英史
- Organizer
  日本数学会2009年度秋季総合分科会
- Place of Presentation
  大阪大学
- Year and Date
  2009-09-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Nested configurations in algebraic statistics2009
- Author(s)
  大杉英史
- Organizer
  計算代数統計学の展開
- Place of Presentation
  統計数理研究所
- Year and Date
  2009-11-28
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Normality of toric rings arising from nested configurations2009
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会 2009 年度秋季総合分科会
- Place of Presentation
  大阪大学
- Year and Date
  2009-09-27
- Data Source
  KAKENHI-PROJECT-21740030
[Presentation] Grobner bases of nested configurations2008
- Author(s)
  青木敏,日比孝之,大杉英史,竹村彰通
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  東京工業大学
- Year and Date
  2008-09-24
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Simple Polytopes Arising from Finite Graphs2008
- Author(s)
  Hidefumi Ohsugi
- Organizer
  WORLDCOMP'08
- Place of Presentation
  アメリカ・ラスベガス
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Grobner bases of nested configurations2008
- Author(s)
  青木敏、日比孝之、大杉英史、竹村彰通
- Organizer
  2008年日本数学会秋季総合分科会
- Place of Presentation
  東京工業大学
- Year and Date
  2008-09-24
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Simple edge polytopes2008
- Author(s)
  大杉英史,日比孝之
- Organizer
  日本数学会年会
- Place of Presentation
  近畿大学
- Year and Date
  2008-03-26
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] グループごとに制約がある選択問題の条件付検定手法とSegre-Veronese型配置のグレブナー基底2007
- Author(s)
  青木敏,日比孝之,大杉英史,竹村彰通
- Organizer
  日本数学会年会
- Place of Presentation
  埼玉大学
- Year and Date
  2007-03-29
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Smooth edge polytopes2007
- Author(s)
  Hidefumi Ohsugi
- Organizer
  Projective Normality of Smooth Toric Varieties
- Place of Presentation
  オーバーヴォルファッハ研究所(ドイツ)
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] Grobner bases of toric ideals2006
- Author(s)
  Hidefumi Ohsugi
- Organizer
  Efficient Computation of Grobner bases and Mathematical Algorithms Based on It
- Place of Presentation
  韓国・KIAS
- Data Source
  KAKENHI-PROJECT-18740018
[Presentation] 2水準実験に対するマルコフ連鎖モンテカルロ法と切断イデアル
- Author(s)
  青木敏，大杉英史，日比孝之
- Organizer
  2013年度統計関連学会連合大会（一般講演）
- Place of Presentation
  大阪大学
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] 有限グラフに付随するedge ring が強Koszulとなるための必要十分条件
- Author(s)
  日比孝之，松田一徳，大杉英史
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] グラフの二次トーリックイデアルと二次グレブナー基底
- Author(s)
  大杉英史，鹿間章宏，西山絢太，日比孝之
- Organizer
  日本数学会2013年度秋季総合分科会
- Place of Presentation
  愛媛大学
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] Toric rings and ideals of cut polytopes of graphs
- Author(s)
  Hidefumi Ohsugi
- Organizer
  International conference on Commutative Algebra and its Interaction to Algebraic Geometry and Combinatorics
- Place of Presentation
  Hanoi, Vietnam
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] 辺凸多面体の辺の個数の最大値
- Author(s)
  大杉英史，鹿間章宏，日比孝之，森亜貴
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] A survey of toric rings and ideals arising from contingency tables
- Author(s)
  Hidefumi Ohsugi and Takayuki Hibi
- Organizer
  Computational Algebraic Statistics, Theories and Applications
- Place of Presentation
  Kyoto Terrsa
- Invited
- Data Source
  KAKENHI-PROJECT-24540055
[Presentation] トーリックイデアルとサーキット
- Author(s)
  大杉英史、日比孝之
- Organizer
  日本数学会2013年度年会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-24540055

1. HIBI Takayuki (80181113)

# of Collaborated Projects: 10 results

# of Collaborated Products: 21 results
2. SAITO Mutsumi (70215565)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
3. TAKEMURA Akimichi (10171670)

# of Collaborated Projects: 5 results

# of Collaborated Products: 4 results
4. MATSUI Yasuko (10264582)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. TERAI Naoki (90259862)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. OAKU Toshinori (60152039)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. YOKOYAMA Kazuhiro (30333454)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. AOKI Satoshi (90332618)

# of Collaborated Projects: 3 results

# of Collaborated Products: 5 results
9. KAMIYA Hidehiko (50300687)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
10. 東谷章弘 (60723385)

# of Collaborated Projects: 3 results

# of Collaborated Products: 3 results
11. TAKAYAMA Yukihide (20247810)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. ANAI Hirokazu (20417520)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. KURIKI Satoshi (90195545)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. SAI Shidou (30186910)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
15. SAKATA Toshio (20117352)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. SHIBUYA MASAAKI (20146723)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. NIKI Naoto (10000209)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. HOSHINO Nobuaki (00313627)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. HORIMOTO Katsuhisa (40238803)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. HONDA Toshio (30261754)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SAITO Kyoji (20012445)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. TAKAYAMA Nobuki (30188099)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. IWASAKI Manabu (40255948)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. EGUCHI Shinto (10168776)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. KOMAKI Fumiyasu (70242039)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. TANIGUCHI Masanobu (00116625)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. HARA Hisayuki (40312988)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. YOSHIZOE Yasuto (80062868)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. MURAI Satoshi (90570804)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. AOKI Noboru (30183130)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. SATO Fumihiro (20120884)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. FUJII Akio (50097226)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 枡田幹也 (00143371)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 土谷昭善 (30836953)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
35. 柳川浩二

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OHSUGI Hidefumi 大杉 英史

Ohsugi Hidefumi 大杉 英史

OOSUGI Hidefumi 大杉 英史

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Construction of a unified theory for toric rings of lattice polytopes arising from combinatorial objectsPrincipal Investigator

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Development of new methods in the theory of convex polytopes by combining new concepts of discrete geometry and the theory of Groebner basesPrincipal Investigator

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Toric rings of configurations constructed by a method with symmetriesPrincipal Investigator

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Construction of theory of geometric and combinatorial deformations of toric ringsPrincipal Investigator

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Groebner bases of ideals and rings related with invariant polynomials and its application to information sciencePrincipal Investigator

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整数計画問題におけるグレブナー基底の理論的および実践的有効性Principal Investigator

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OHSUGI Hidefumi 大杉英史

Ohsugi Hidefumi 大杉英史

OOSUGI Hidefumi 大杉英史