YAMAGUCHI KOHHEI - My portal

Profile Information

Affiliation: Professor, Graduate School of Informatics and Engineering, School of Informatics and Engineering, Division of General Education, The University of Electro-Communications

Degree: 理学修士(東京工業大学)
理学博士(東京工業大学)

Researcher number: 00175655
J-GLOBAL ID: 200901024977113630
researchmap Member ID: 1000017577

External link: http://matha.e-one.uec.ac.jp/~kohhei/yamaguchi_intro.html

Until now, I am studying the homotopy theory,its related geometry and its application to mathematical physics.

Research Interests

Research Areas

Research History

Apr, 2000

教授, 電気通信大学電気通信学部
Apr, 1988 - Mar, 2000

助教授, 電気通信大学電気通信学部
Oct, 1984 - Mar, 1988

助手, 東京工業大学理学部

Education

- Mar, 1983

数学専攻, Graduate School, Division of Science and Engineering, Tokyo Institute of Technology
- Mar, 1979

数学専攻, Graduate School, Division of Science and Engineering, Tokyo Institute of Technology
- Mar, 1977

数学科, Faculty of Science, Tokyo Institute of Technology
Apr, 1970 - Mar, 1973

普通科, 愛知県立中村高等学校

Papers

Note on the spaces of real resultants with bounded multiplicity

Kohhei Yamaguchi

RIMS Kokyuroku, 2098 98-103, Dec, 2018 Invited
The homotopy type of spaces of rational curves on a toric variety

Andrzej Kozlowski, Kohhei Yamaguchi

Topology and its Applications, 249 19-42, Nov, 2018 Peer-reviewed
The homotopy type of spaces of resultants of bounded multiplicity

Andrzej Kozlowski, Kohhei Yamaguchi

TOPOLOGY AND ITS APPLICATIONS, 232 112-139, Dec, 2017 Peer-reviewed
The Homotopy Type of Spaces of Polynomials with Bounded Multiplicity

Andrzej Kozlowski, Kohhei Yamaguchi

PUBLICATIONS OF THE RESEARCH INSTITUTE FOR MATHEMATICAL SCIENCES, 52(3) 297-308, Sep, 2016 Peer-reviewed
The homotopy type of spaces of coprime polynomials revisited

A. Kozlowski, K. Yamaguchi

TOPOLOGY AND ITS APPLICATIONS, 206 284-304, Jun, 2016 Peer-reviewed
Spaces of algebraic maps from real projective spaces to toric varieties

Andrzej KonowsKi, Masahiro Ohno, Kohhei Yamaguchi

JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 68(2) 745-771, Apr, 2016 Peer-reviewed
Note on the space of polynomials with roots of bounded multiplicity

Kohhei Yamaguchi

数理解析研究所講究録, 1968 126-129, Nov, 2015 Invited
Spaces of equivariant maps to toric varieties

Kohhei Yamaguchi

数理解析研究所講究録, 1922 28-33, Oct, 2014 Invited
The space of maps from a real projective space to a toric variety

Andrzej Kozlowski, Masahiro Ohno, Kohhei Yamaguchi

数理解析研究所講究録, 1876 120-125, Jan, 2014 Invited
Spaces of equivariant algebraic maps from real projective spaces into complex projective spaces

Andrzej Kozlowski, Kohhei Yamaguchi

RIMS Kokyuroku Bessatsu, 39 51-61, Apr, 2013 Peer-reviewed
Simplicial resolutions and spaces of algebraic maps between real projective spaces

A. Kozlowski, K. Yamaguchi

TOPOLOGY AND ITS APPLICATIONS, 160(1) 87-98, Jan, 2013 Peer-reviewed
Note on the homotopy of the spaces of maps between real projective spaces

Kohhei Yamaguchi

Math. J. Okayama Univ., 54(1) 77-86, 2012 Peer-reviewed
SPACES OF ALGEBRAIC AND CONTINUOUS MAPS BETWEEN REAL ALGEBRAIC VARIETIES

Michal Adamaszek, Andrzej Kozlowski, Kohhei Yamaguchi

QUARTERLY JOURNAL OF MATHEMATICS, 62(4) 771-790, Dec, 2011 Peer-reviewed
On the spaces of equivariant maps between real algebraic varieties

Kohhei Yamaguchi

数理解析研究所講究録, 1732 42-50, Mar, 2011
Spaces of algebraic maps from real projective spaces into complex projective spaces

Andrzej Kozlowski, Kohhei Yamaguchi

Contemporary Math., 519 145-164, 2010 Peer-reviewed
Spaces of maps from the closed Riemann surface into the 2-sphere

Kohhei Yamaguchi

数理解析研究所講究録, 1670 77-83, Dec, 2009
Simplicial resolutions and their applications

Kohhei Yamaguchi

数理解析研究所講究録, 1612 170-180, Sep, 2008
The homotopy approximation of spaces of algebraic maps between algebraic varieties

Kohhei Yamaguchi

数理解析研究所講究録, 1569 123-131, Sep, 2007
Resultants and universal coverings

Kohhei Yamaguchi

JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 47(4) 859-873, 2007 Peer-reviewed
The homotopy of spaces of maps between real projective spaces

Kohhei Yamaguchi

JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 58(4) 1163-1184, Oct, 2006 Peer-reviewed

Books and Other Publications

理工系基礎数学演習

石田晴久, 伊東裕也, 榎本直也, 大野真裕, 木田雅成, 久藤衡介, 田吉隆夫, 内藤敏機, 山口耕平, 山田裕一 (Role: Joint author)

コロナ社, Apr 1, 2015
理工系基礎数学演習

石田晴久, 伊東裕也, 大野真裕, 木田雅成, 田吉隆夫, 内藤敏機, 山口耕平, 山田裕一 (Role: Joint author)

昭晃堂, Apr, 2005
微分積分・線形代数数学演習

伊東裕也, 大久保謙二郎, 金沢稔, 小島久祉, 田吉隆夫, 内藤敏機, 三沢正史, 山口耕平 (Role: Joint author)

昭晃堂, Apr, 1996

Presentations

Spaces of resultants related to topic varieties and related problems

山口耕平

京都大学数理解析研究所、共同研究(公開型)「変換群とその応用」, May 29, 2019, 京都大学数理解析研究所
Real analogues of spaces of resultants and its related problems

山口耕平

京都大学数理解析研究所共同研究「変換群における幾何・代数・組み合わせ論」, Jun 7, 2018, 京都大学数理解析研究所共同研究（公開型） Invited
Spaces of resultants with bounded multiplicity and its real analogues

山口耕平

研究集会「特異点とその応用」, Feb 21, 2018 Invited
The homotopy of spaces of resultants of bounded multiplicity

山口耕平

研究集会「福岡ホモトピー論セミナー」, Jan 8, 2018, 福岡大学
The problem of spaces of resultants related to rational curves on a toric variety

山口耕平

京都大学数学教室「代数トポロジーセミナー」, Dec 25, 2017, 京都大学大学院理学研究科
Spaces of resultants of bounded multiplicity and its related problems

山口耕平

研究集会「空間の代数的・幾何的モデルとその周辺」, Sep 6, 2017 Invited
The homotopy of the space of rational curves on a topic variety

Andrzej Kozlowski, 山口耕平

研究集会「群作用と位相」, Dec 5, 2016
The homotopy type of spaces of resultants and related topics

山口耕平

京都大学大学院理学研究科談話会/平成28年度京都大学数学談話会アブストラクト, page 10, Jun 22, 2016, 京都大学大学院理学研究科数学教室 Invited
Segal type fibration sequences and scanning maps

山口耕平

RIMS研究集会「新しい変換群論の幾何」, May 28, 2015, 京都大学数理解析研究所
The homotopy type of the space of rational curves on a toric variety

Andrzej Kozlowski, Kohhei Yamaguchi

「ホモトピー論における有限と無限」研究集会, Mar 20, 2015 Invited
Atiyah-Jones type problem for the space of holomorphic maps on a certain toric variety

Kohhei Yamaguchi

The 41th Symposium on Transformation Groups Abstract, Nov 13, 2014, 日本数学会トポロジー分科会
The space of maps to a real toric variety

Kohhei Yamaguchi

京都大学数理解析研究所共同利用研究集会「変換群の位相幾何学と代数構造」, May 26, 2014, 京都大学数理解析研究所共同利用掛 Invited
On the homotopy of the space of maps to a toric variety

山口耕平

２０１３年度ホモトピー論シンポジウム, Nov, 2013, ２０１３年度ホモトピー論シンポジウム講演アブストラクト
On the space of algebraic maps to toric varieties

山口耕平

RIMS研究集会「変換群のトポロジーとその周辺」, May, 2013, 京都大学数理解析研究所共同研究事業
Simplicial resolutions and their related topics

山口耕平

城崎ホモトピー論研究会, Nov, 2011, 城崎ホモトピー論研究会 Invited
Truncated simplicial resolutions and spaces of algebraic maps

山口耕平

変換群の幾何と組み合せ論, Jun, 2011, 京都大学数理解析研究所共同研究事業
Spaces of Z/2-equivariant maps between some real algebraic varieties

山口耕平

RIMS 研究集会「変換群と手術理論」, Aug, 2010, 京都大学数理解析研究所共同研究事業
The homotopy of spaces of algebraic maps between real algebraic varieties

山口耕平

RIMS研究集会「空間の代数的・幾何学的モデルとその周辺」, Jun, 2010, 京都大学数理解析研究所共同研究事業
The homotopy type of spaces of algebraic maps, I

Michal Adamaszek, Andrzej Kozlowski, 山口耕平

日本数学会年会トポロジー分科会講演アブストラクト,日本数学会年会, Mar, 2010
The homotopy type of spaces of algebraic maps, II

Michal Adamaszek, Andrzej Kozlowski, 山口耕平

日本数学会年会トポロジー分科会講演アブストラクト,日本数学会年会, Mar, 2010

Teaching Experience

Professional Memberships

Works

Topology of Spaces of Rational Functions and configuration spaces

1993 - 1993
Configuration Spaces of Divisors and Holomorphic Maps

1992 - 1992
Σ┣D1k┫D1P┣D1n┫D1の自己写像について

1991 - 1991
球面上のSpherical Fibre Spaceの連結和について

1983 - 1983

Research Projects

Homotopy types of spaces of holomorphic maps on topic varieties and related geometry

Apr, 2018 - Mar, 2022

Yamaguchi Kohhei
The applications of real singularity theory and the topology of the space of regular maps

Apr, 2014 - Mar, 2018

山口耕平
正則写像のなす空間の位相と実特異点論のホモトピー論への応用の研究

Apr, 2011 - Mar, 2014
Reseach of topology related to Morse theory and numerical computations

Apr, 2007 - Mar, 2010
数理物理学に関連した位相幾何学とモース理論の研究および数式処理の研究

Apr, 2004 - Mar, 2007
変分問題に関連した位相幾何学の研究と数式処理の研究

Apr, 2001 - Mar, 2004
数理物理学に関連する位相幾何学の応用と数式処理の研究

Apr, 1999 - Mar, 2001
位相幾何学の数理物理学への応用の研究と数式処理の研究

Apr, 1997 - Mar, 1999
位相幾何学の数理物理学への応用と数式処理の研究

Apr, 1996 - Mar, 1997
位相幾何学に現れる数理物理と数式処理の研究

Apr, 1995 - Mar, 1996
位相幾何学の数理物理学への応用と数式処理の研究

Apr, 1994 - Mar, 1995