ADACHI Toshiaki

写真a

Affiliation Department

Department of Computer Science
Department of Computer Science
Center for Research and Development in Higher Engineering-Education

Title

Professor

External Link

Degree

  • Doctor of Science ( 1987.11   Nagoya University )

  • Master of Science ( 1981.03   Nagoya University )

Research Areas

  • Natural Science / Geometry

From School

  • Nagoya University   Faculty of Science   Graduated

    - 1982.03

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    Country:Japan

From Graduate School

  • Nagoya University   Graduate School, Division of Natural Science   Doctor's Course   Unfinished Course

    1984.04 - 1986.09

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    Country:Japan

  • Nagoya University   Graduate School, Division of Natural Science   Master's Course   Completed

    1982.04 - 1984.03

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    Country:Japan

External Career

  • Interdisciplinary Faculty of Science and Engineering, Shimane University   Lecturer

    1999.11

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    Country:Japan

  • Kumamoto University   Lecturer

    1986.10 - 1989.03

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    Country:Japan

 

Research Career

  • Circles on manifolds

    (not selected)  

    Project Year: 1995.04

  • Kahler magnetic fields

    (not selected)  

    Project Year: 1993.04

Papers

  • Moduli space of extrinsic circular trajectories on real hypersurfaces of type (A_2) in a complex hyperbolic space Reviewed

    Yusei AOKI

    Note di Mathematica   42 ( 1 )   77 - 94   2022.11

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  • Extrinsic circular trajectories on real hypersurfaces of type (A_2) in a complex projective space Reviewed International coauthorship

    Xiaozhou LIU, Tuya BAO, Toshiaki ADACHI

    Differential Geometry and ItsApplications   82   2022.06

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.difgeo.2022.101885

  • Kaehler graphs whose principal graphs are of Cartesian product type Reviewed International coauthorship

    Toshiaki ADACHI

    New Horizons in Differential Geometry and its Related Fields   209 - 231   2022.05

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1142/9789811248108.0013

  • A note on Legendre trajectories on Sasakian space forms Reviewed

    Toshiaki ADACHI, Qingson SHI

    New Horizons in Differential Geometry and its Related Fields   41 - 50   2022.05

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1142/9789811248108.0003

  • A note on zeta functions of Ihara type for normal Kaehler graphs Reviewed

    Toshiaki ADACHI

    Discrete Mathematics   345 ( 2 )   2022.02

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.disc.2021.112688

  • Distances from unbounded trajectories to their limit-strings on a Hadamard Kaehler manifold Reviewed International journal

    ADACHI Toshiaki

    Results in Mathematics   76 ( 3 )   154   2021.07

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer  

    DOI: 10.1007/s00025-021-01464-9

  • Length spectrum of complete simply connected Sasakian space forms Reviewed International journal

    Toshiaki ADACHI, Sadahiro MAEDA

    Differential Geometry and its Applications   20   1 - 13   2020.06

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

  • Regular and vertex-transitive Kaehler graphs having commutative principal and auxiliary adjacency operators Reviewed International coauthorship International journal

    Toshiaki ADACH, Guanyuan CHEN

    Graphs and Combinatorics   36 ( 4 )   933 - 958   2020.04

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer  

  • Extrinsic shapes of trajectories on real hypersurfaces of type (B) in a complex hyperbolic space Reviewed International coauthorship International journal

    Toshiaki ADACHI, Tuya BAO

    Recent Topics in Differential Geometry and its Related Fields   2020.01

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

  • Eigenvalues of regular K\"ahler graphs having commutative adjacency operators Reviewed International journal

    Toshiaki ADACHI

    Recent Topics in Differential Geometry and its Related Fields   83 - 106   2020.01

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

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Books and Other Publications

  • New Horizons in Differential Geometry and its Related Fields Reviewed

    Toshiaki ADACHI, Hideya HASHIMOTO( Role: Joint author)

    World Scientific Co.  2022.05  ( ISBN:978-981-124-809-2

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    Total pages:248   Language:eng  

  • Recent Topics in Differential Geometry and its Related Fields

    Toshiaki ADACHI, Hideya HASHIMOTO( Role: Edit)

    World Scienticfic   2020.01  ( ISBN:978-981-120-668-9

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    Total pages:209   Language:eng   Book type:Scholarly book

  • Contemporary Perspectives in Differential Geometry and its Related Fields

    Toshiaki ADACHI, Hideya HASHIMOTO, Milen HRISTOV( Role: Joint editor)

    World Scientific Publishing Co.  2018.01  ( ISBN:978-981-3220-90-4

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    Language:eng   Book type:Scholarly book

  • Current Developments in Differential Geometry and its Related Fields

    Toshiaki ADACHI, Hideya HASHIMOTO, Milen J. Hristov( Role: Joint editor)

    World Scientific Publishing Co.  2016.01 

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    Language:eng   Book type:Scholarly book

  • Prospects of Differential Geometry and its Related Fields

    Toshiaki ADACHI, Hideya HASHIMOTO, Milen Haristov( Role: Joint editor)

    World Scientific  2013.09  ( ISBN:978-981-4541-80-0

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    Language:eng   Book type:Scholarly book

  • 工科のための 常微分方程式

    足立俊明( Role: Sole author)

    数理工学社  2013.03  ( ISBN:978-4-901683-71-5

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    Language:jpn   Book type:Textbook, survey, introduction

  • Recent Progress in Differential Geometry and its Related Fields

    Toshiaki ADACHI, Hideya Hashimoto, Milen Hristov( Role: Joint editor)

    World Scientific Co.  2011.09 

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    Language:eng   Book type:Scholarly book

  • What kind of subject in mathematics do we study when we are in the first and the second causes in university?

    ( Role: Joint author)

    Nihonhyouronsya  2009.04 

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    Language:jpn  

  • Linear Algebra

    ( Role: Joint author)

    Syokabou  2007.11  ( ISBN:9784785315481

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    Language:jpn   Book type:Textbook, survey, introduction

  • An introduction to fundamental calculus

    ( Role: Joint author)

    Suurikougakusya  2007.04 

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    Language:jpn  

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Presentations

  • 「正規ケーラーグラフの伊原型ゼータ関数」の習作 Invited

    足立俊明

    還暦記念研究集会「Hideya60」 

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    Event date: 2019.12

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

    Venue:名古屋工業大学  

  • Eigenvalues of finite vertex-transitive Kaehler graphs and their Zeta Functions Invited International conference

    Toshiaki ADACHI

    6th Inteernational Colloquium on Differential Geometry and its Related Fields 

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    Event date: 2018.09

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

    Venue:Veliko Tarnovo, Bulgaria  

  • Asymptotic Behaviors of Trajectories on a Hadamard Kaehler manifold Invited International conference

    Toshiaki ADACHI

    Geometric Days in Iasi 2018  

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    Event date: 2018.08

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

    Venue:Iasi, Romania  

  • Distance from unbounded trajectories to their limit-strings on a Hadamard Kaehler manifold International conference

    Toshiaki ADACHI

    Inteernational Conference on Recent Advances in Pure and Applied Mathematics 2018 

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    Event date: 2018.07

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Trabzon, Turkey  

  • アダマール・ケーラー多様体上の軌道ハープ Invited

    足立俊明

    2017年度福岡大学微分幾何研究会 

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    Event date: 2017.11

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

    Venue:福岡大学セミナーハウス  

  • Horocycle trajectories and their limit-strings on a complex hyperbolic space International conference

    Toshiaki ADACHI

    The 2017 International Conference on Differential Geometry and Applications  INASE

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    Event date: 2017.10

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Marathon, Greece  

  • Vertex-transitive Kaehler graphs whose adjacency operators are commutative International conference

    Toshiaki ADACHI

    2nd Malta Conference in Graph Theory and Combinatorics  University of Malta

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    Event date: 2017.06

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Qawra, Malta  

  • 軌道ハープの比較定理II

    石青松, 足立俊明

    日本数学会2017年度年会  日本数学会

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    Event date: 2017.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:首都大学東京  

  • アダマール多様体上の軌道の漸近挙動

    石青松, 足立俊明

    日本数学会2017年度年会  日本数学会

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    Event date: 2017.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:首都大学東京  

  • 軌道ハープの比較定理

    Toshiaki ADACHI, Qingsong SHI

    日本数学会2016年度秋期総合分科会  日本数学会

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    Event date: 2016.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:関西大学  

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Committee Memberships

  • 日本数学会   拡大幹事  

    2000.04   

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    Committee type:Academic society