Izeki, Hiroyasu

写真a

Affiliation

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

Position

Professor

E-mail Address

E-mail address

Career 【 Display / hide

  • 1992.04
    -
    1995.03

    東京都立大学理学部助手

  • 1995.04
    -
    1997.03

    名古屋大学大学院多元数理科学研究科助教授

  • 1997.04
    -
    2010.03

    東北大学大学院理学研究科准教授

  • 2010.04
    -
    Present

    慶應義塾大学理工学部教授

Academic Background 【 Display / hide

  • 1989.03

    Keio University, Faculty of Science and Engineering, 数理科学科・数学専攻

    University, Graduated

  • 1991.03

    Keio University, Graduate School, Division of Science and Engineering, 数理科学専攻

    Graduate School, Completed, Master's course

Academic Degrees 【 Display / hide

  • 博士(理学), Keio University, Dissertation, 1994.12

 

Research Areas 【 Display / hide

  • Geometry

Research Keywords 【 Display / hide

  • rigidity

  • fixed-point property

  • finitely generated group

  • harmonic map

  • nonpositively curved space

Research Themes 【 Display / hide

  • rigidity and fixed-point property of discrete groups, 

    2003
    -
    Present

 

Books 【 Display / hide

  • Yamabe Problem

    Osamu Kobayashi, Kazuo Akutagawa, IZEKI Hiroyasu, Mathematical Society of Japan, 2013.12

    Scope: Chapter 9

  • 文科系のための自然科学総合実験

    IZEKI Hiroyasu, 2008.03

    Scope: 163-173

  • 数学事典 第4版

    IZEKI Hiroyasu, NAYATANI Shin, 2007.03

    Scope: 252-255

  • 21世紀の数学 --- 幾何学の未踏峰

    IZEKI Hiroyasu, 2004.07

    Scope: 168-182

Papers 【 Display / hide

  • A fixed point property of random groups

    IZEKI Hiroyasu

    京都大学数理解析研究所講究録  2018.04

    Research paper (research society, symposium materials, etc.), Single Work, Except for reviews

  • Poisson boundary and rigidity of discrete groups

    IZEKI Hiroyasu

    Geometry and Analysis, Fukuoka 1   117 - 122 2015.12

    Research paper (research society, symposium materials, etc.), Single Work, Except for reviews

  • Fixed-point property of random quotients by plain words

    IZEKI Hiroyasu

    Groups, Geometry, and Dynamics 8 ( 4 ) 1101 - 1140 2014.12

    Research paper (scientific journal), Single Work, Accepted

  • N-step energy of maps and fixed-point property of random groups

    IZEKI Hiroyasu, KONDO Takefumi, and NAYATANI Shin

    Geometry, Groups, and Dynamics 6 ( 4 ) 701-736 2012

    Research paper (scientific journal), Joint Work, Accepted

  • An approach to superrigidity and fixed-point theorems via harmonic maps

    IZEKI Hiroyasu, Shin Nayatani

    Amer. Math. Soc. Transl. (2) 230   135-160 2010

    Research paper (scientific journal), Joint Work, Accepted

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

Presentations 【 Display / hide

  • 離散群からの調和写像・境界写像と剛性

    井関 裕靖

    早稲田大学双曲幾何幾何学的群論セミナー, 2018.12, Public discourse, seminar, tutorial, course, lecture and others

  • 離散群の境界写像と剛性

    IZEKI Hiroyasu

    幾何学阿蘇研究集会, 2018.09, Oral Presentation(key)

  • Equivariant harmonic maps and rigidity of discrete groups

    IZEKI Hiroyasu

    Boston-Keio Summer Workshop (Boston University) , 2018.06, Oral Presentation(guest/special)

  • A fixed-point property of random groups

    IZEKI Hiroyasu

    Boston-Keio Summer Workshop (Boston University) , 2017.06, Oral Presentation(guest/special)

  • A fixed-point property of random groups

    IZEKI Hiroyasu

    Topology and Analysis of Discrete Groups and Hyperbolic Spaces (Research Institute of Mathematical Sciences) , 2016.06, Oral Presentation(guest/special)

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

  • 幾何学的剛性理論の深化

    2020.04
    -
    2025.03

    MEXT,JSPS, Grant-in-Aid for Scientific Research, 井関 裕靖, Grant-in-Aid for Scientific Research (B), Principal Investigator

  • An approach to the superrigidity of infinite discrete groups via random groups

    2013.04
    -
    2018.03

    MEXT,JSPS, Grant-in-Aid for Scientific Research, 井関 裕靖, Grant-in-Aid for Scientific Research (B), Principal Investigator

Awards 【 Display / hide

  • 日本数学会建部賢弘賞

    IZEKI Hiroyasu, 1998.09, 日本数学会

    Type of Award: Awards of National Conference, Council and Symposium

 

Courses Taught 【 Display / hide

  • TOPICS IN LIFE INSURANCE MATHEMATICS

    2020

  • MATHEMATICS 2B

    2020

  • MATHEMATICS 2A

    2020

  • INTRODUCTION TO LIFE INSURANCE

    2020

  • INTRODUCTION TO GEOMETRY

    2020

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Memberships in Academic Societies 【 Display / hide

  • Mathematical Society of Japan, 

    1990.04
    -
    Present

Committee Experiences 【 Display / hide

  • 2012.03
    -
    2013.02

    全国区代議員(評議員), 日本数学会

  • 1990.04
    -
    Present

    Member, Mathematical Society of Japan