Graduating School 【 display / non-display

  • Graduating School:Osaka University
    Faculty:Faculty of Science

    Kind of school:University
    Date of graduation:1996.03
    Completion status:Graduated
    Country location code:JAPAN

Graduate School 【 display / non-display

  • Graduate school:Osaka University
    Graduate course:Graduate School, Division of Natural Science

    Course completed:Master's Course
    Date of completion:1998.03
    Completion status:Completed
    Country location code:JAPAN

  • Graduate school:Osaka University
    Graduate course:Graduate School, Division of Natural Science

    Course completed:Doctor's Course
    Date of completion:2001.03
    Completion status:Completed
    Country location code:JAPAN

Campus Career 【 display / non-display

  • Job function organization:Kwansei Gakuin University School of Science and Technology Department of of Mathematical Sciences
    Career:Professor
    Duties period:2014.04 -

External Career 【 display / non-display

  • Name of affiliation:
    Career:Assistant Professor
    Periods of career:2002.04 - 2005.03

  • Name of affiliation:
    Career:Associate Professor (as old post name)
    Periods of career:2005.04 - 2007.03

  • Name of affiliation:
    Career:Researcher
    Periods of career:2006.07 - 2006.09

  • Name of affiliation:
    Career:Associate Professor
    Periods of career:2007.04 - 2012.03

  • Name of affiliation:
    Career:Professor
    Periods of career:2012.04 - 2014.03

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Field of expertise (Grants-in-aid for Scientific Research classification):Algebra

  • Field of expertise (Grants-in-aid for Scientific Research classification):Foundations of mathematics/Applied mathematics

 

Thesis for a degree 【 display / non-display

  • Written language: English
    Title of paper: Algebraic combinatorics on Grobner bases of toric ideals
    Date of degree awarded: 2001.03
    Name of author(s): Hidefumi Ohsugi

    Co-author classification: Single Work

Papers 【 display / non-display

  • Written language: English
    Title of paper: Enriched order polytopes and enriched Hibi rings
    Publication title: European Journal of Mathematics  vol.7  (p.48 - 68)
    Date of issue: 2021.03
    Name of author(s): Hidefumi Ohsugi, Akiyoshi Tsuchiya

    DOI: 10.1007/s40879-020-00403-2
    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work

  • Written language: English
    Title of paper: Integer Decomposition Property for Cayley Sums of Order and Stable Set Polytopes
    Publication title: Michigan Mathematical Journal  vol.69  (4)  (p.765 - 778)
    Date of issue: 2020.10
    Name of author(s): Takayuki Hibi, Hidefumi Ohsugi, Akiyoshi Tsuchiya

    DOI: 10.1307/mmj/1585792887
    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work

  • Written language: English
    Title of paper: Nef-partitions arising from unimodular configurations
    Publication title: MATHEMATISCHE NACHRICHTEN  vol.293  (9)  (p.1791 - 1800)
    Date of issue: 2020.09
    Name of author(s): Ohsugi Hidefumi, Tsuchiya Akiyoshi

    DOI: 10.1002/mana.201900347
    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work

  • Written language: English
    Title of paper: Toric ideals of Minkowski sums of unit simplices
    Publication title: Algebraic Combinatorics  vol.3  (4)  (p.831 - 837)
    Date of issue: 2020.08
    Name of author(s): Akihiro Higashitani, Hidefumi Ohsugi

    DOI: 10.5802/alco.117
    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work

  • Written language: English
    Title of paper: The h*-Polynomials of Locally Anti-Blocking Lattice Polytopes and Their gamma-Positivity
    Publication title: DISCRETE & COMPUTATIONAL GEOMETRY
    Date of issue: 2020.08
    Name of author(s): Ohsugi Hidefumi, Tsuchiya Akiyoshi

    DOI: 10.1007/s00454-020-00236-6
    Type of publication: Research paper (scientific journal)
    Co-author classification: Joint Work

display all >>

Books 【 display / non-display

  • Written language: English
    Book Title: Binomial Ideals
    Publisher's name: Springer
    Date of issue: 2018
    Name of author(s): Herzog Jürgen, Takayuki Hibi, Hidefumi Ohsugi

    Type of books: Other
    Form of book: Joint Work

Grant-in-Aid for Scientific Research 【 display / non-display

  • Research item:Grant-in-Aid for Scientific Research(B)
    Research activities period:2018.04 - 2023.03

  • Research item:Grant-in-Aid for Scientific Research(B)
    Research activities period:2018.04 - 2023.03

  • Research item:Grant-in-Aid for Scientific Research(C)
    Research activities period:2012.04 - 2017.03

  • Research item:Grant-in-Aid for Young Scientists(B)
    Research activities period:2009.04 - 2013.03

  • Research item:Grant-in-Aid for Young Scientists(B)
    Research activities period:2006.04 - 2009.03

display all >>

Presentations 【 display / non-display

  • Presentation (Written) language: English
    Conference Name: Special session on Algebra & Number Theory with Polyhedra (Western Section AMS Meeting)
    Conference classification: International conference
    Meeting period: 2009.04
    Topic / Session title: Toric ideals of nested configurations
    Form of presentation: Oral Presentation(general)

  • Presentation (Written) language: English
    Conference Name: Combinatorial challenges in toric varieties
    Conference classification: International conference
    Meeting period: 2009.04
    Topic / Session title: Edge polytopes and some examples
    Form of presentation: Oral Presentation(general)

  • Presentation (Written) language: English
    Conference Name: INFORMATION-THEORETIC ASPECTS OF INTEGER-POINT ENUMERATION IN POLYHEDRA
    Conference classification: International conference
    Meeting period: 2008.07
    Topic / Session title: Simple Polytopes Arising from Finite Graphs
    Form of presentation: Oral Presentation(general)

  • Presentation (Written) language: English
    Conference Name: Projective Normality of Smooth Toric Varieties
    Conference classification: International conference
    Meeting period: 2007.08
    Topic / Session title: Smooth edge polytopes
    Form of presentation: Oral Presentation(general)

  • Presentation (Written) language: English
    Conference Name: Efficient Computation of Groebner bases and Mathematical Algorithms Based on It
    Conference classification: International conference
    Meeting period: 2006.07
    Topic / Session title: Groebner bases of toric ideals
    Form of presentation: Oral Presentation(general)

display all >>