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Affiliation
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Faculty of Science and Technology, Department of Mathematics （Yagami）
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Position
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Professor
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E-mail Address
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Izeki, Hiroyasu
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Career 【 Display / hide 】
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1992.04-1995.03
東京都立大学理学部助手
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1995.04-1997.03
名古屋大学大学院多元数理科学研究科助教授
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1997.04-2010.03
東北大学大学院理学研究科准教授
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2010.04-Present
慶應義塾大学理工学部教授
Academic Background 【 Display / hide 】
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1989.03
Keio University, Faculty of Science and Engineering, 数理科学科・数学専攻
University, Graduated
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1991.03
Keio University, Graduate School, Division of Science and Engineering, 数理科学専攻
Graduate School, Completed, Master's course
Research Keywords 【 Display / hide 】
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rigidity
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fixed-point property
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finitely generated group
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harmonic map
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nonpositively curved space
Research Themes 【 Display / hide 】
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rigidity and fixed-point property of discrete groups,
2003-Present
Books 【 Display / hide 】
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Yamabe Problem
Osamu Kobayashi, Kazuo Akutagawa, IZEKI Hiroyasu, Mathematical Society of Japan, 2013.12
Scope: Chapter 9
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文科系のための自然科学総合実験
IZEKI Hiroyasu, 2008.03
Scope: 163-173
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数学事典 第４版
IZEKI Hiroyasu, NAYATANI Shin, 2007.03
Scope: 252-255
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21世紀の数学 --- 幾何学の未踏峰
IZEKI Hiroyasu, 2004.07
Scope: 168-182
Papers 【 Display / hide 】
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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
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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
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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
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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
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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
Papers, etc., Registered in KOARA 【 Display / hide 】
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An approach to the superrigidity of infinite discrete groups via random groups
Izeki, Hiroyasu
科学研究費補助金研究成果報告書 2017
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New approach to discrete geometry : capturing the shape of finite groups
Izeki, Hiroyasu
科学研究費補助金研究成果報告書 2014
Presentations 【 Display / hide 】
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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
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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)
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Equivariant harmonic maps and rigidity of discrete groups
IZEKI Hiroyasu
Boston-Keio Summer Workshop (Boston University) , 2018.06, Oral Presentation(guest/special)
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A fixed-point property of random groups
IZEKI Hiroyasu
Boston-Keio Summer Workshop (Boston University) , 2017.06, Oral Presentation(guest/special)
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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)
Research Projects of Competitive Funds, etc. 【 Display / hide 】
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幾何学的剛性理論の深化
2020.04-2025.03MEXT,JSPS, Grant-in-Aid for Scientific Research, 井関 裕靖, Grant-in-Aid for Scientific Research (B), Principal Investigator
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An approach to the superrigidity of infinite discrete groups via random groups
2013.04-2018.03MEXT,JSPS, Grant-in-Aid for Scientific Research, 井関 裕靖, Grant-in-Aid for Scientific Research (B), Principal Investigator
Awards 【 Display / hide 】
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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 】
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TOPICS IN LIFE INSURANCE MATHEMATICS
2021
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TOPICS IN GEOMETRY C
2021
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MATHEMATICS 2A
2021
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INTRODUCTION TO LIFE INSURANCE
2021
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INTRODUCTION TO GEOMETRY
2021