OHSUGI Hidefumi
また、理工学部では、対称性を数学的に扱うための概念である群について学ぶ「代数学I」などの科目を担当しています。
Graduating School 【 display / non-display 】
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Graduating School:Osaka University
Faculty:Faculty of Science
Course / Major:数学科
Kind of school:University
Date of graduation:1996.03
Completion status:Graduated
Country location code:Japan
Graduate School 【 display / non-display 】
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Graduate school:Osaka University
Department:Graduate School, Division of Natural Science
Course:数学専攻
Course completed:Doctor's Course
Date of completion:2001.03
Completion status:Completed
Country:Japan -
Graduate school:Osaka University
Department:Graduate School, Division of Natural Science
Course:数学専攻
Course completed:Master's Course
Date of completion:1998.03
Completion status:Completed
Country:Japan
Degree 【 display / non-display 】
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Degree name:博士(理学)
Classified degree field:Natural Science / Algebra
Conferring institution:Osaka University
Acquisition way:Coursework
Date of acquisition:2001.03
Career 【 display / non-display 】
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Affiliation:Kwansei Gakuin University
Department:School of Science and Technology Department of of Mathematical Sciences
Title:Professor
Date:2014.04 - -
Title:Professor
Date:2012.04 - 2014.03 -
Title:Associate Professor
Date:2007.04 - 2012.03 -
Title:Researcher
Date:2006.07 - 2006.09 -
Title:Associate Professor (as old post name)
Date:2005.04 - 2007.03
Association Memberships 【 display / non-display 】
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Academic society name:日本数学会
Academic country located:Japan
Research Areas 【 display / non-display 】
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Research field:Natural Science / Algebra
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Research field:Natural Science / Applied mathematics and statistics
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Research field:Natural Science / Basic mathematics
Papers 【 display / non-display 】
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Title: The number of 4-cycles and the cyclomatic number of a finite simple graph
Journal name: AUSTRALASIAN JOURNAL OF COMBINATORICS vol.85 (p.15 - 34)
Date of publication: 2023
Author(s): Hibi Takayuki, Mori Aki, Ohsugi Hidefumi -
Title: Perfectly contractile graphs and quadratic toric rings
Journal name: BULLETIN OF THE LONDON MATHEMATICAL SOCIETY
Date of publication: 2022.12
Author(s): Ohsugi Hidefumi, Shibata Kazuki, Tsuchiya AkiyoshiDOI: 10.1112/blms.12789
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Title: A note on the reducedness and Grobner bases of Specht ideals
Journal name: COMMUNICATIONS IN ALGEBRA vol.50 (12) (p.5430 - 5434)
Date of publication: 2022.12
Author(s): Murai Satoshi, Ohsugi Hidefumi, Yanagawa KohjiDOI: 10.1080/00927872.2022.2085288
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Title: PQ-Type Adjacency Polytopes of Join Graphs
Journal name: DISCRETE & COMPUTATIONAL GEOMETRY
Date of publication: 2022.10
Author(s): Ohsugi Hidefumi, Tsuchiya AkiyoshiDOI: 10.1007/s00454-022-00447-z
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Title: Edge rings with q-linear resolutions
Journal name: JOURNAL OF ALGEBRA vol.593 (p.550 - 567)
Date of publication: 2022.03
Author(s): Mori Kenta, Ohsugi Hidefumi, Tsuchiya AkiyoshiDOI: 10.1016/j.jalgebra.2021.11.018
Books 【 display / non-display 】
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Language: English
Title: Binomial Ideals
Publisher: Springer
Date of publication: 2018
Author(s): Herzog Jürgen, Takayuki Hibi, Hidefumi Ohsugi
Type of books: Other
Authorship:Joint author
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Language: Japanese
Title: グレブナー道場
Publisher: 共立出版
Date of publication: 2011.09
Author(s): 日比孝之他
Type of books: Scholarly book
Authorship:Joint author
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Language: Japanese
Title: グレブナー基底の現在
Publisher: 数学書房
Date of publication: 2006.07
Author(s): 日比孝之編
Type of books: Scholarly book
Authorship:Joint author
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Language: Japanese
Title: グレブナー基底1・2 ― 代数幾何と可換代数におけるグレブナー基底の有効性 ―
Publisher: シュプリンガー・フェアラーク東京
Date of publication: 2000.10
Author(s): 大杉英史、北村知徳、日比孝之
Type of books: Scholarly book
Authorship:Joint author
Research Projects 【 display / non-display 】
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Research category:基盤研究(B)
Project year:2024.04 - 2029.03
Title:組合せ論的対象に付随する格子多面体のトーリック環にまつわる統合理論の構築
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Research category:Grant-in-Aid for Scientific Research(B)
Project year:2018.04 - 2023.03
Title:離散幾何的な新概念とグレブナー基底理論の融合による凸多面体論における新手法の開発
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Research category:Grant-in-Aid for Scientific Research(B)
Project year:2018.04 - 2023.03
Title:離散幾何的な新概念とグレブナー基底理論の融合による凸多面体論における新手法の開発
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Research category:Grant-in-Aid for Scientific Research(C)
Project year:2012.04 - 2017.03
Title:対称性を持つ構成法で構成された配置のトーリック環の構造解析
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Research category:Grant-in-Aid for Young Scientists(B)
Project year:2009.04 - 2013.03
Title:トーリック環の幾何的および組合せ論的変形操作に関する理論の構築
Presentations 【 display / non-display 】
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Language:English
Conference name:Special session on Algebra & Number Theory with Polyhedra (Western Section AMS Meeting)
International/Domestic presentation:International presentation
Holding date:2009.04
Title:Toric ideals of nested configurations
Presentation type:Oral presentation (general)
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Language:English
Conference name:Combinatorial challenges in toric varieties
International/Domestic presentation:International presentation
Holding date:2009.04
Title:Edge polytopes and some examples
Presentation type:Oral presentation (general)
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Language:English
Conference name:INFORMATION-THEORETIC ASPECTS OF INTEGER-POINT ENUMERATION IN POLYHEDRA
International/Domestic presentation:International presentation
Holding date:2008.07
Title:Simple Polytopes Arising from Finite Graphs
Presentation type:Oral presentation (general)
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Language:English
Conference name:Projective Normality of Smooth Toric Varieties
International/Domestic presentation:International presentation
Holding date:2007.08
Title:Smooth edge polytopes
Presentation type:Oral presentation (general)
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Language:English
Conference name:Efficient Computation of Groebner bases and Mathematical Algorithms Based on It
International/Domestic presentation:International presentation
Holding date:2006.07
Title:Groebner bases of toric ideals
Presentation type:Oral presentation (general)