Ota, Katsuhiro

写真a

Affiliation

Faculty of Science and Technology, Department of Mathematics (Yagami)

Position

Professor

External Links

Career 【 Display / hide

  • 1989.04
    -
    1993.03

    慶應義塾大学(理工学部数理科学科) ,助手

  • 1993.04
    -
    1995.03

    明治大学理工学部(数学A) ,非常勤講師

  • 1993.04
    -
    1997.03

    慶應義塾大学(理工学部数理科学科) ,専任講師

  • 1995.04
    -
    1996.03

    明治大学理工学部(確率、線形代数) ,非常勤講師

  • 1996.04
    -
    1997.03

    明治大学理工学部(確率) ,非常勤講師

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Academic Background 【 Display / hide

  • 1984.03

    The University of Tokyo, Faculty of Science, 情報科学科

    University, Graduated

  • 1986.03

    The University of Tokyo, Graduate School, Division of Science, 情報科学専門課程

    Graduate School, Completed, Master's course

  • 1989.03

    The University of Tokyo, Graduate School, Division of Science, 情報科学専門課程

    Graduate School, Completed, Doctoral course

Academic Degrees 【 Display / hide

  • 理学 , The University of Tokyo, 1989.03

 

Research Areas 【 Display / hide

  • Foundations of mathematics/Applied mathematics

Research Keywords 【 Display / hide

  • Graph Theory

  • Combinatorics

 

Books 【 Display / hide

  • グラフ理論

    R. Diestel著, シュプリンガー・フェアラーク東京, 2000.10

     View Summary

    根上生也との共訳

Papers 【 Display / hide

  • Hadwiger's conjecture for degree sequences

    Guantao Chen and Katsuhiro Ota

    Journal of Combinatorial Theory, Series B 114   247 - 249 2015.09

    Research paper (scientific journal), Joint Work, Accepted

  • Edge proximity conditions for extendability in planar triangulations

    Jun Fujisawa and Katsuhiro Ota

    Journal of Graph Theory 80 ( 1 ) 1 - 11 2015.09

    Research paper (scientific journal), Joint Work, Accepted

  • Disjoint chorded cycles of the same length

    Guantao Chen, Ronald J. Gould, Kazuhide Hirohata, Katsuhiro Ota and Songling Shan

    SIAM Journal on Discrete Mathematics 29 ( 2 ) 1030 - 1041 2015

    Research paper (scientific journal), Joint Work, Accepted

  • Maximal cycles in graphs of large girth

    Jun Fujisawa and Katsuhiro Ota

    SUT Journal of Mathematics 50 ( 2 ) 427 - 438 2014

    Research paper (scientific journal), Joint Work, Accepted

  • Forbidden induced subgraphs for near perfect matchings

    Katsuhiro Ota, Kenta Ozeki and Gabriel Sueiro

    Discrete Mathematics 313 ( 11 ) 1267 - 1280 2013.06

    Research paper (scientific journal), Joint Work, Accepted

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Papers, etc., Registered in KOARA 【 Display / hide

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Presentations 【 Display / hide

  • Small theta subgraphs in sparse graphs

    2017 Joint Mathematical Meetings, AMS Special Session on Topics in Graph Theory (Atlanta, Georgia, USA) , 2017.01, Oral Presentation(general)

  • Vertex-disjoint even cycles of the same length

    Y. Egawa, S. Fujita, K. Ota, T. Sakuma

    ACCOTA 2016, International Workshop on Combinatorial and Computational Aspects of Optimization, Topology and Algebra (Los Cabos, Mexico) , 2016.11, Oral Presentation(general)

  • グラフが同じ長さの点素な偶閉路を含むための次数条件

    太田克弘, 江川嘉美, 藤田慎也, 佐久間雅

    日本数学会2015年度秋季総合分科会 (京都産業大学) , 2015.09, Oral Presentation(general), 日本数学会

  • Vertex-disjoint isomorphic theta subgraphs

    S. Fujita, K. Ota, T. Sakuma

    2014 SIAM Conference on Discrete Mathematics, Minisymposium: Cycles and Paths (Minneaoplis, Minesota) , 2014.06, Oral Presentation(general)

  • Vertex-disjoint isomorphic theta subgraphs

    S. Fujita, K. Ota, T. Sakuma

    The 3rd Taiwan-Japan Conference on Combinatorics and its Applications (National Chiayi University, Taiwan) , 2014.03, Oral Presentation(general)

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Research Projects of Competitive Funds, etc. 【 Display / hide

  • 疎なグラフに対する極値グラフ理論の展開

    2016.04
    -
    2020.03

    MEXT,JSPS, Grant-in-Aid for Scientific Research, 太田 克弘, Grant-in-Aid for Scientific Research (B), Principal Investigator

Works 【 Display / hide

  • 理工学部1年生授業科目「数学2・数学4」の講義テキストの作成

    OTA KATSUHIRO

    2014.04
    -
    2015.03

    Other, Joint

  • 数理科学科2年生授業科目「数理科学基礎第2」の講義テキスト・演習問題の作成

    OTA KATSUHIRO

    2003.09
    -
    2005.02

    Other, Joint

  • 理工学部1年生授業科目「数学A1,B1」の講義テキストの作成

    OTA KATSUHIRO

     

    Other, Joint

 

Courses Taught 【 Display / hide

  • SURVEY ON INFORMATICS

    2021

  • MATHEMATICS 2B

    2021

  • MATHEMATICS 2A

    2021

  • INDEPENDENT STUDY ON FUNDAMENTAL SCIENCE AND TECHNOLOGY

    2021

  • GRADUATE RESEARCH ON FUNDAMENTAL SCIENCE AND TECHNOLOGY 2

    2021

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Memberships in Academic Societies 【 Display / hide

  • 日本数学会, 

    1986
    -
    Present
  • 日本数学会, 

    2004.10
    -
    2006.09
  • 日本数学会, 

    2010.06
    -
    2014.05
  • 日本数学会, 

    2008.06
    -
    2010.05

Committee Experiences 【 Display / hide

  • 2004.10
    -
    2006.09

    Committee Member, 日本数学会

  • 2010.06
    -
    2014.05

    広報委員長, 日本数学会

  • 2008.06
    -
    2010.05

    広報委員会委員, 日本数学会