HONDA Atsufumi

Affiliation

Faculty of Engineering, Division of Intelligent Systems Engineering

Job Title

Associate Professor

Research Fields, Keywords

特異点論, 微分幾何学

Related SDGs




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The Best Research Achievement in Research Career 【 display / non-display 】

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Education 【 display / non-display 】

  • 2010.4
    -
    2013.3

    Tokyo Institute of Technology   Department of Mathematics   Doctor Course   Completed

  • 2008.4
    -
    2010.3

    Kyushu University   Department of Mathematics   Master Course   Completed

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Degree 【 display / non-display 】

  • Doctor of Science - Tokyo Institute of Technology

  • Master of Mathematics - Kyushu University

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Campus Career 【 display / non-display 】

  • 2017.4
    　
    　

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Intelligent Systems Engineering   Associate Professor  

  • 2018.4
    　
    　

    Concurrently   Yokohama National UniversityGraduate school of Engineering Science   Department of Mathematics, Physics, Electrical Engineering and Computer Science   Associate Professor  

  • 2017.4
    　
    　

    Concurrently   Yokohama National UniversityCollege of Engineering Science   Department of Mathematics, Physics, Electrical Engineering and Computer Science   Associate Professor  

  • 2017.4
    　
    　

    Concurrently   Yokohama National UniversityGraduate School of Engineering   Department of Systems Integration   Associate Professor  

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External Career 【 display / non-display 】

  • 2013.4
    -
    2017.3

    National Institute of Technology, Miyakonojo College   General Education Division (Sciences)   Lecturer  

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Research Areas 【 display / non-display 】

  • Natural Science / Geometry

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Books 【 display / non-display 】

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Thesis for a degree 【 display / non-display 】

  • Extrinsically Flat Surfaces

    2013.3

    Doctoral Thesis   Single Work  

  • 3次元双曲空間内の双曲平面と向き付けられた測地線全体の空間

    本田　淳史

    2010.3

    Master Thesis   Single Work  

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    九州大学　大学院数理学府数理学専攻

    空間形の間の等長はめ込みの分類問題を考える．同じ断面曲率を持つもので余次元1の場合は，断面曲率が非負のとき自明なものに限る．一方で，断面曲率が負，つまり双曲空間の場合には非自明な例が存在し，明示的な構成方法や性質は明らかにされていなかった．本論文では，双曲平面から3次元双曲空間への等長はめ込みの明示的な表現公式を導出した．その際に，3次元双曲空間の測地線の空間のミニツイスター空間としての中間符号ケーラー構造を用いた．

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Papers 【 display / non-display 】

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Review Papers 【 display / non-display 】

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Presentations 【 display / non-display 】

  • Lightlike hypersurfaces as wave fronts in Lorentz-Minkowski space

    Atsufumi Honda  [Invited]

    Second IMAG-OCAMI Joint Conference on Differential Geometry  2025.2  Antonio Ros, Magdalena Rodríguez, Yoshihiro Ohnita, Joaquín Perez, Jose M. Espinar

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    Event date： 2025.2

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：University of Granada   Country：Spain  

  • 有限退化次数特異点に対する Gauss-Bonnet の定理

    本田淳史  [Invited]

    慶應義塾大学微分幾何・トポロジーセミナー  2025.1  慶應義塾大学理工学部数理科学科

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    Event date： 2025.1

    Language：Japanese   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：慶應義塾大学  

  • ローレンツ・ミンコフスキー空間における余次元2の部分多様体の空間的射影の凸性

    本田淳史

    擬リーマン幾何とその周辺  2024.11  赤嶺新太郎，本田淳史，清原悠貴

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    Event date： 2024.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：横浜国立大学  

  • 有限退化次数特異点に対する Gauss-Bonnet の定理

    本田淳史  [Invited]

    熊本大学理学部数学談話会  2024.11  熊本大学理学部数学教室

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    Event date： 2024.11

    Language：Japanese   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：熊本大学  

  • Convexity of space-like projections of submanifolds with co-dimension 2 in Lorentz-Minkowski space

    Atsufumi Honda  [Invited]

    Japanese Australian workshop on Real and Complex Singularities (JARCS2024)  2024.11  Laurentiu Paunescu, Satoshi Koike, Toru Ohmoto, Osamu Saeki, Toshi Fukui

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    Event date： 2024.11

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Saitama University   Country：Japan  

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Charge of on-campus class subject 【 display / non-display 】

  • 2025   Advanced Training in Mathematical Sciences

    Graduate school of Engineering Science

  • 2025   Advanced Exercises in Mathematical Sciences

    Graduate school of Engineering Science

  • 2025   Advanced Seminar in Mathematical Sciences D

    Graduate school of Engineering Science

  • 2025   Advanced Seminar in Mathematical Sciences C

    Graduate school of Engineering Science

  • 2025   Advanced Seminar in Mathematical Sciences B

    Graduate school of Engineering Science

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Charge of off-campus class subject 【 display / non-display 】

  • 基礎数学II

    Institution：都城工業高等専門学校

  • 基礎数学I

    Institution：都城工業高等専門学校

  • 微分積分学II

    Institution：都城工業高等専門学校

  • 微分積分学I

    Institution：都城工業高等専門学校

  • 微分方程式

    Institution：都城工業高等専門学校

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Committee Memberships 【 display / non-display 】

  • 日本数学会‘数学’

    2019.7 - 2021.6  常任編集委員

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    Committee type：Academic society 

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