Yamaguchi Toshihiro 山口俊博

… Alternative Names

山口俊博ヤマグチトシヒロ

YAMAGUCHI Toshihiro 山口俊博

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Researcher Number	90346700
Other IDs
Affiliation (Current)	2025: 高知大学, 教育研究部自然科学系理工学部門, 教授
Affiliation (based on the past Project Information) *help	2020 – 2023: 高知大学, 教育研究部自然科学系理工学部門, 教授 2018: 高知大学, 教育研究部自然科学系理工学部門, 教授 2016 – 2017: 高知大学, 教育研究部自然科学系理学部門, 教授 2013: 高知大学, 自然科学系, 教授 2012 – 2013: 高知大学, 教育研究部自然科学系, 教授 2010 – 2011: 高知大学, 教育研究部自然科学系, 准教授
Review Section/Research Field	Principal Investigator Basic Section 11020:Geometry-related Except Principal Investigator Geometry
Keywords	Principal Investigator Quillen model / 有理ホモトピー / elliptic space / H-空間 / coformal / Hilali予想 / 自己親密数 / Sullivan モデル / Sullivanモデル / 有理H-構造 … More / universal / 有理トーラス階数 / Sullivan model / DGLモデル / coformal性 / ストリングトポロジー / 分類空間 / 有理ホモトピー論 … More Except Principal Investigator 有限位相空間 / 実射影空間 / ホップ空間 / グラフ理論 / 組合せ論 / ホモトピー論 / 幾何学 / 極小有限位相空間 / 有限位相空間のループ空間 / 有限位相空間のホモトピー群 / 極小有限空間 / ホモトピー関手 / 強ホモトピー / ホモトピー / 有限位相空間の圏の拡張 / 順序複体 / Gottlieb群 / 有理ホモトピー / 安定拡張可能 / 配置空間 / 有限単体的複体 / コホモロジー作用素 / 高位ホモトピー可換性 / cyclohedron / Long Toda積 / 高位ホモトピー結合性 / 非安定高位コホモロジー作用素 / Steifel多様体 / アトム分解 / reduced power operation / pコンパクト群 / ベクトル束 / レンズ空間 / 安定拡張可能性 / 法束 / ホモトピー群 / 高位Toda積 / 準p正則性 / p正則性 / アトミック空間 / 空間の既約分解 Less

A study for some rational homotopical conditions on the classification spaces of fibrationsPrincipal Investigator
- Principal Investigator
  
  山口俊博
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kochi University
The study of algebraic topology by the combinatorial method
- Principal Investigator
  
  Hemmi Yutaka
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kochi University
Study of Hopf spaces by using higher order cohomology operations
- Principal Investigator
  
  HEMMI Yutaka
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kochi University
Study of Hopf spaces and p-compact groups
- Principal Investigator
  
  HEMMI Yutaka
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kochi University

All 2024 2022 2021 2020 2019 2018 2014 2013 2012 2011 Other

All Journal Article Presentation

[Journal Article] A reduction of the string bracket to the loop product2024
- Author(s)
  Katsuhiko Kuribayashi, Takahito Naito, Shun Wakatsuki, Toshihiro Yamaguchi
- Journal Title
  
  Algebraic and Geometric Topology
  
  Volume: 印刷中
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] A topology on homotopy set induced by pairing2024
- Author(s)
  Nobuyuki Oda and Toshihiro Yamaguchi
- Journal Title
  
  Topology Proceedings
  
  Volume: 63 Pages: 211-225
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] On the coformality of classifying spaces for fibrewise self-equivalences2024
- Author(s)
  Hirokazu NIshinobu and Toshihihro Yamaguchi
- Journal Title
  
  Homology, Homotopy and Applications
  
  Volume: 印刷中
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Cartan calculi on the free loop spaces2024
- Author(s)
  Katsuhiko Kuribayashi, Takahito Naito, Shun Wakatsuki, Toshihiro Yamaguchi
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 印刷中
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Rational relative toral rank2022
- Author(s)
  Toshihiro　Yamaguchi
- Journal Title
  
  Africa Mathematica
  
  Volume: 33 Issue: 1 Pages: 1-6
- DOI
  10.1007/s13370-021-00937-y
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] An example of non-coformal classifying space with rational H(2)-structure2022
- Author(s)
  Hirokazu NIshinobu and Toshihiro　Yamaguchi
- Journal Title
  
  MATHEMATICA
  
  Volume: 64 Issue: 2 Pages: 255-264
- DOI
  10.24193/mathcluj.2022.2.10
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] ホモトピー論における「三密」について2021
- Author(s)
  山口俊博
- Journal Title
  
  高知大学教育学部研究報告
  
  Volume: 81 Pages: 177-180
- Open Access
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] On ratios of homotopy and homology ranks of fibrations2021
- Author(s)
  Toshihiro Yamaguchi and Shoji Yokura
- Journal Title
  
  Topology Proceedings
  
  Volume: 58 Pages: 85-92
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Relative self-closeness numbers2021
- Author(s)
  Toshihiro Yamaguchi
- Journal Title
  
  Bull.Korean Math. Soc.
  
  Volume: 58 Pages: 445-449
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Self-closeness numbers of finite cell complexes2020
- Author(s)
  Nobuyuki Oda and Toshihiro Yamaguchi
- Journal Title
  
  Topology and its Applications
  
  Volume: 272 Pages: 1-25
- DOI
  10.1016/j.topol.2020.107062
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Poincare polynomials of a map and a relative Hilali conjecture2020
- Author(s)
  Toshihiro Yamaguchi and Shoji Yokura
- Journal Title
  
  Tbilisi Math. J.
  
  Volume: 13 Pages: 33-47
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] On a DGL-map between derivations of Sullivan minimal models2020
- Author(s)
  Toshihiro Yamaguchi
- Journal Title
  
  Arabian Journal of Math.
  
  Volume: 9 Issue: 3 Pages: 739-754
- DOI
  10.1007/s40065-020-00291-0
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03591
[Journal Article] Poset-stratified space structures of homotopy sets2019
- Author(s)
  T. Yamaguchi and S. Yokura
- Journal Title
  
  Homology, Homotopy and Applications
  
  Volume: 21 Issue: 2 Pages: 1-22
- DOI
  10.4310/hha.2019.v21.n2.a1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03936, KAKENHI-PROJECT-16K05150
[Journal Article] Self-maps of spaces in fibrations2018
- Author(s)
  N. Oda and T. Yamaguchi
- Journal Title
  
  Homology, homotopy and applications
  
  Volume: 20 Issue: 2 Pages: 289-313
- DOI
  10.4310/hha.2018.v20.n2.a15
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04884, KAKENHI-PROJECT-16K05150
[Journal Article] C-symplectic poset structure on a simply connected space2014
- Author(s)
  Kazuya Hamada, Toshihiro Yamaguchi and Shoji Yokura
- Journal Title
  
  Topology and its Applications
  
  Volume: 161 Pages: 107-126
- DOI
  10.1016/j.topol.2013.09.009
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23244008, KAKENHI-PROJECT-23540093, KAKENHI-PROJECT-24540085
[Journal Article] Pre-c-symplectic condition for the product of odd-spheres2013
- Author(s)
  J. Sato and T. Yamaguchi
- Journal Title
  
  Homotopy Relat. Struct.
  
  Volume: 8 Issue: 1 Pages: 13-34
- DOI
  10.1007/s40062-012-0011-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Pre-c-symplectic condition for the product of odd-spheres2013
- Author(s)
  J. Sato, and T. Yamaguchi
- Journal Title
  
  J. Homotopy Relat. Struct
  
  Volume: 8巻 Pages: 13-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Pre-c-symplectic condition for the product of odd-spheres2013
- Author(s)
  J. Sato, and T. Yamaguchi
- Journal Title
  
  J. Homotopy Relat. Struct.
  
  Volume: 8巻 Pages: 13-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Certain homotopy subgroups associated with a map2013
- Author(s)
  T. Yamaguchi
- Journal Title
  
  Kochi J. Math
  
  Volume: 8巻 Pages: 35-45
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Certain homotopy subgroups associated with a map2013
- Author(s)
  T. Yamaguchi
- Journal Title
  
  Kochi J. of Math.
  
  Volume: 8 Pages: 35-45
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] C-symplectic poset structure on a simply connected space2013
- Author(s)
  K. Hamada, T. Yamaguchi and S. Yokura
- Journal Title
  
  Topology Appl
  
  Volume: 161巻 Pages: 107-126
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Examples of rational toral rank complex2012
- Author(s)
  T. Yamaguchi
- Journal Title
  
  Int. J. Math. Sci.
  
  Volume: 2012巻 Pages: 1-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Examples of rational toral rank complex2012
- Author(s)
  T. Yamaguchi
- Journal Title
  
  Int. J. Math. Sci
  
  Volume: 2012巻
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] Examples of a Hasse diagram of free circle actions in rational homotopy2011
- Author(s)
  T. Yamaguchi
- Journal Title
  
  JP Journal of Geometry and Topology
  
  Volume: 11巻 Pages: 181-191
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Journal Article] A Hasse diagram for rational toral ranks2011
- Author(s)
  T. Yamaguchi
- Journal Title
  
  Bull. Belg. Math. Soc. Simon Stevin
  
  Volume: 18巻 Pages: 493-508
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] 有理H(2)-構造を持つcoformalでない分類空間の例2022
- Author(s)
  西信洋和、山口俊博
- Organizer
  日本数学会
- Data Source
  KAKENHI-PROJECT-20K03591
[Presentation] On self-closeness numbers2019
- Author(s)
  山口俊博
- Organizer
  福岡ホモトピー論セミナー
- Data Source
  KAKENHI-PROJECT-16K05150
[Presentation] いくつかの不変量に潜む図形の観察2013
- Author(s)
  山口俊博
- Organizer
  高知大学理学部門談話会
- Place of Presentation
  高知大学(高知県)
- Year and Date
  2013-01-23
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] 詰め込み複体vs トーラス階数複体2013
- Author(s)
  山口俊博
- Organizer
  鹿児島大学数理情報科学さくらセミナー
- Place of Presentation
  鹿児島大学(鹿児島県)
- Year and Date
  2013-03-18
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] 有理トーラス階数達が張るCW複体2012
- Author(s)
  山口俊博
- Organizer
  鹿児島大学数理情報科学談話会
- Place of Presentation
  鹿児島大学(鹿児島県)
- Year and Date
  2012-06-01
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] いくつかの不変量に潜む図形の観察
- Author(s)
  山口俊博
- Organizer
  高知大学理学部門談話会
- Place of Presentation
  高知大学（高知県）
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] 詰め込み複体vsトーラス階数複体
- Author(s)
  山口俊博
- Organizer
  鹿児島大学数理情報科学さくらセミナー
- Place of Presentation
  鹿児島大学（鹿児島県）
- Data Source
  KAKENHI-PROJECT-23540093
[Presentation] 有理トーラス階数達が張るCW複体
- Author(s)
  山口俊博
- Organizer
  鹿児島大学数理情報科学談話会
- Place of Presentation
  鹿児島大学（鹿児島県）
- Data Source
  KAKENHI-PROJECT-23540093

1. HEMMI Yutaka (70181477)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. MORISUGI Kaoru (00031807)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. TSUKIYAMA Kouzou (20093651)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. SHIMOMURA Katsumi (30206247)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. KAWAMOTO Yusuke (10531759)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 池田徹 (00325408)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 與倉昭治

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
8. 小田信行

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Yamaguchi Toshihiro 山口 俊博

山口 俊博 ヤマグチ トシヒロ

YAMAGUCHI Toshihiro 山口 俊博

Research Projects

Research Products

Co-Researchers

A study for some rational homotopical conditions on the classification spaces of fibrationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

The study of algebraic topology by the combinatorial method

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Hopf spaces by using higher order cohomology operations

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Hopf spaces and p-compact groups

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] A reduction of the string bracket to the loop product2024

Author(s)

Journal Title

Data Source

[Journal Article] A topology on homotopy set induced by pairing2024

Author(s)

Journal Title

Data Source

[Journal Article] On the coformality of classifying spaces for fibrewise self-equivalences2024

Author(s)

Journal Title

Data Source

[Journal Article] Cartan calculi on the free loop spaces2024

Author(s)

Journal Title

Data Source

[Journal Article] Rational relative toral rank2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An example of non-coformal classifying space with rational H(2)-structure2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] ホモトピー論における「三密」について2021

Author(s)

Journal Title

Data Source

[Journal Article] On ratios of homotopy and homology ranks of fibrations2021

Author(s)

Journal Title

Data Source

[Journal Article] Relative self-closeness numbers2021

Author(s)

Journal Title

Data Source

[Journal Article] Self-closeness numbers of finite cell complexes2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Poincare polynomials of a map and a relative Hilali conjecture2020

Author(s)

Journal Title

Data Source

[Journal Article] On a DGL-map between derivations of Sullivan minimal models2020

Author(s)

Journal Title

Yamaguchi Toshihiro 山口俊博

山口俊博ヤマグチトシヒロ

YAMAGUCHI Toshihiro 山口俊博