Graduating School 【 display / non-display 】

Graduating School

Graduate School 【 display / non-display 】

Graduate School

Degree 【 display / non-display 】

Degree

External Career 【 display / non-display 】

External Career

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display 】

Field of expertise (Grants-in-aid for Scientific Research classification)

Research Career 【 display / non-display 】

Research Career

• Circles on manifolds

  Collaboration in Japan   (not selected)  

  Project Year：  1995.04  -  Now

• Kahler magnetic fields

  Individual   (not selected)  

  Project Year：  1993.04  -  Now

Papers 【 display / non-display 】

Papers

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

  ADACHI Toshiaki

  Results in Mathematics ( Springer )  76 ( 3 ) 154   2021.07  [Refereed]

  Research paper (scientific journal)   Single Author

  

• Length spectrum of complete simply connected Sasakian space forms

  Toshiaki ADACHI, Sadahiro MAEDA

  Differential Geometry and its Applications   20   1 - 13   2020.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

• Regular and vertex-transitive Kaehler graphs having commutative principal and auxiliary adjacency operators

  Toshiaki ADACH, Guanyuan CHEN

  Graphs and Combinatorics ( Springer )  36 ( 4 ) 933 - 958   2020.04  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

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

  Toshiaki ADACHI, Tuya BAO

  Recent Topics in Differential Geometry and its Related Fields     2020.01  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

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

  Toshiaki ADACHI

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

  Research paper (scientific journal)   Single Author

• Comparison theorem on trajectory-harps for K\"ahler magnetic fields which are holomorphic at their arches

  Toshiaki ADACHI, Qingsong SHI

  Hokkaido Mathematical Journal   48 ( 2 ) 427 - 441   2019.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

• Accurate trajectory-harps for K\"ahler magnetic fields

  Toshiaki ADACHI

  Journal of Mathematical Society of Japan   70 ( 4 ) 1337 - 1346   2018.10  [Refereed]

  Research paper (scientific journal)   Single Author

• Zeta functions for a Kaehler graph

  Toshiaki ADACHI, Yaermaimaiti Tuerxunmaimaiti

  Kodai Mathematical Journal   41 ( 2 ) 227 - 239   2018.06  [Refereed]

  Research paper (scientific journal)   Multiple Authorship

• A study on trajectory-horns for Kaehler magnetic fields

  Toshiaki ADACHI

  Contemporary Perspectives in Differential Geometry and its Related Fields ( World Scientific Publishing Co. )    95 - 112   2018.01  [Refereed]

  Research paper (scientific journal)   Single Author

• Homogeneous Hopf hypersurfaces in a complex hyperbolic space and extrinsic shapes of their trajectories

  Toshiaki ADACHI, Tuya BAO

  North Atlntic University Union International Jopurnal of Pure Mathematics   4 ( 1 ) 22 - 25   2017.10  [Refereed]

  Research paper (international conference proceedings)   Multiple Authorship

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Books 【 display / non-display 】

Books

• Recent Topics in Differential Geometry and its Related Fields

  Toshiaki ADACHI, Hideya HASHIMOTO (Part： Editing and Writing )

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

• Contemporary Perspectives in Differential Geometry and its Related Fields

  Toshiaki ADACHI, Hideya HASHIMOTO, Milen HRISTOV (Part： Joint Editing and Writing )

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

• Current Developments in Differential Geometry and its Related Fields

  Toshiaki ADACHI, Hideya HASHIMOTO, Milen J. Hristov (Part： Joint Editing and Writing )

  World Scientific Publishing Co.  2016.01

• Prospects of Differential Geometry and its Related Fields

  Toshiaki ADACHI, Hideya HASHIMOTO, Milen Haristov (Part： Joint Editing and Writing )

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

• Recent Progress in Differential Geometry and its Related Fields

  Toshiaki ADACHI, Hideya Hashimoto, Milen Hristov (Part： Joint Editing and Writing )

  World Scientific Co.  2011.09

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

  (Part： Multiple Authorship )

  Nihonhyouronsya  2009.04

• Linear Algebra

  (Part： Multiple Authorship )

  Syokabou  2007.11 ISBN: 9784785315481

• An introduction to fundamental calculus

  (Part： Multiple Authorship )

  Suurikougakusya  2007.04

• A course in Calculus II

  (Part： Single Author )

  Baifuukan  1998.04 ISBN: 9784563006327

• A course in Calculus I

  (Part： Single Author )

  Baifuukan  1997.04 ISBN: 9784563006310

Presentations 【 display / non-display 】

Presentations

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

  Toshiaki ADACHI  [Invited]

  6th Inteernational Colloquium on Differential Geometry and its Related Fields  (Veliko Tarnovo, Bulgaria)  2018.09  -  2018.09 

• Asymptotic Behaviors of Trajectories on a Hadamard Kaehler manifold

  Toshiaki ADACHI  [Invited]

  Geometric Days in Iasi 2018   (Iasi, Romania)  2018.08  -  2018.08 

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

  Toshiaki ADACHI

  Inteernational Conference on Recent Advances in Pure and Applied Mathematics 2018  (Trabzon, Turkey)  2018.07  -  2018.07 

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

  Toshiaki ADACHI

  The 2017 International Conference on Differential Geometry and Applications  (Marathon, Greece)  2017.10  -  2017.10  INASE

• Vertex-transitive Kaehler graphs whose adjacency operators are commutative

  Toshiaki ADACHI

  2nd Malta Conference in Graph Theory and Combinatorics  (Qawra, Malta)  2017.06  -  2017.06  University of Malta

• Trajectory-harps and horns for Kaehler magnetic fields

  Toshiaki ADACHI

  5th International Colloquium on Differential Geometry and its Related Fields  (Veliko Tarnovo, Bulgaria)  2016.09  -  2016.09 

• Extrinsic circular trajectories on real hypersurfaces of type (A) in a complex hyperbolic space

  Toshiaki ADACHI  [Invited]

  1st International Conference on Differential Geometry  (Fez, Morrocco)  2016.04  -  2016.04 

• An Estimate on Volumes of Trajectory-Balls for Kaehler Magnetic Fields

  Toshiaki ADACHI

  純粋・応用数学における最近の発展に関する国際会議  (Club Hotel Sela, Antalya, Turkey )  2014.11  -  2014.11 

• Kaehler graphs -- Dicrete models of manifolds equipped with magnetic fields --

  Toshiaki ADACHI

  第４回幾何学とその関連分野における国際会議  (University of Veliko Tarnovo, Veliko Tarnovo, Bulgaria)  2014.09  -  2014.09 

• Trajectories for Kaehler magnetic fields on a Hadamard Kaehler manifold

  Toshiaki ADACHI

  ディリマン数学研究集会2013  (University of the Philippines Diliman)  2013.10  -  2013.10  University of the Philippines Diliman

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Academic Activity 【 display / non-display 】

Academic Activity