Tetsuya Yamada

Profile Information

Affiliation: National Institute of Technology,Fukui College

J-GLOBAL ID: 201701011839177030
researchmap Member ID: B000280337

Research Areas

Natural sciences / Mathematical analysis /

Papers

Global existence and boundedness of solutions to a parabolic attraction-repulsion chemotaxis system in R2 : The repulsive dominant case

Tetsuya Yamada

Journal of Differential Equations, 315 254-269, Apr, 2022 Peer-reviewedLead author
Practical Report of Online Study Sessions of Mathematics for First-Grade Students

井之上和代, 中谷実伸, 柳原祐治, 山田哲也, 相場大佑

福井工業高等専門学校研究紀要自然科学・工学(Web), 55(55) 27-34, Jan, 2022 Peer-reviewed
Global existence of solutions to a parabolic attraction–repulsion chemotaxis system in R2: The attractive dominant case

Toshitaka Nagai, Yukihiro Seki, Tetsuya Yamada

Nonlinear Analysis: Real World Applications, 62 103357-103357, Dec, 2021 Peer-reviewed
Boundedness of solutions to a parabolic attraction–repulsion chemotaxis system in R2: The attractive dominant case

Toshitaka Nagai, Yukihiro Seki, Tetsuya Yamada

Applied Mathematics Letters, 121 107354-107354, Nov, 2021 Peer-reviewed
STACKを用いたオンラインテストの試み

相場大佑, 山田哲也

日本数学教育学会高専・大学部会論文誌, 27(1) 1-12, May, 2021 Peer-reviewed
Boundedness of solutions to the Cauchy problem for an attraction-repulsion chemotaxis system in two-dimensional space

Toshitaka Nagai, Tetsuya Yamada

Rend. Istit. Mat. Univ. Trieste, 52 131-149, Nov, 2020 Peer-reviewed
Global existence of solutions to a two dimensional attraction–repulsion chemotaxis system in the attractive dominant case with critical mass

Toshitaka Nagai, Tetsuya Yamada

Nonlinear Analysis, 190 111615-111615, Jan, 2020 Peer-reviewed
Global existence of solutions to the Cauchy problem for an attraction–repulsion chemotaxis system inR2in the attractive dominant case

Toshitaka Nagai, Tetsuya Yamada

Journal of Mathematical Analysis and Applications, 462(2) 1519-1535, Jun, 2018 Peer-reviewed
Boundedness of Solutions to a Parabolic-Elliptic Keller–Segel Equation in ℝ2 with Critical Mass

Toshitaka Nagai, Tetsuya Yamada

Advanced Nonlinear Studies, 18(2) 337-360, Apr, 2018 Peer-reviewed
高専の数学教育におけるSTACKの活用の可能性

相場大佑, 山田哲也, 藤田卓郎, 宮本友紀, 内藤岳史

福井工業高等専門学校研究紀要自然科学・工学, 51 15-22, Dec, 2017 Peer-reviewed
Non-trivial ω-limit sets and oscillating solutions in a chemotaxis model in R2 with critical mass

Julián López-Gómez, Toshitaka Nagai, Tetsuya Yamada

Journal of Functional Analysis, 266(6) 3455-3507, Mar, 2014 Peer-reviewed
The Basin of Attraction of the Steady-States for a Chemotaxis Model in R2 with Critical Mass

Julián López-Gómez, Toshitaka Nagai, Tetsuya Yamada

Archive for Rational Mechanics and Analysis, 207(1) 159-184, Jan, 2013 Peer-reviewed
Improvement of convergence rates for a parabolic system of chemotaxis in the whole space

T. Yamada

Mathematical Methods in the Applied Sciences, 34(17) 2103-2124, Nov, 2011 Peer-reviewed
Moment Estimates and Higher-Order Asymptotic Expansions of Solutions to a Parabolic System of Chemotaxis in the Whole Space

Tetsuya Yamada

Funkcialaj Ekvacioj, 54(1) 15-51, Apr, 2011 Peer-reviewed
Higher-order asymptotic expansions of solutions to a parabolic system of chemotaxis in R^n

T. Yamada

RIMS Kôukyûroku Bessatsu, B15 15-37, Dec, 2009 Peer-reviewed
Higher-order asymptotic expansions for a parabolic system modeling chemotaxis in the whole space

Tetsuya Yamada

Hiroshima Mathematical Journal, 39(3) 363-420, Nov, 2009 Peer-reviewed
Large time behavior of bounded solutions to a parabolic system of chemotaxis in the whole space

Toshitaka Nagai, Tetsuya Yamada

Journal of Mathematical Analysis and Applications, 336(1) 704-726, Dec, 2007 Peer-reviewed

Misc.

Finite time blowup solutions to a four dimensional attraction-repulsion chemotaxis system in the balance case

Tetsuya Yamada

preprint, 1-10, Sep, 2021
Sharp asymptotic profiles of solutions to the Cauchy problem of an attraction-repulsion chemotaxis system in the whole space: the balance case

Tetsuya Yamada

preprint, 1-16, Sep, 2021

Presentations

2次元放物型attraction-repulsion Keller-Segel系に対する初期値問題の解の有界性

山田哲也

茨城高専数学セミナー, Dec, 2023 Invited
Global existence and boundedness of solutions to a two dimensional attraction–repulsion Keller–Segel model in the repulsive dominant case

山田哲也

黒木場正城教授追悼研究集会「非線型偏微分方程式と走化性」, Dec, 2022 Invited
Global existence and boundedness of solutions to a two dimensional attraction-repulsion Keller-Segel model in the repulsive dominant case

Tetsuya Yamada

Online Seminar on Chemotaxis, Jul, 2022 Invited
Global existence and blow up of solutions to an attraction-repulsion chemotaxis system in the balance case

Tetsuya Yamada

Chemotaxis and Nonlinear Parabolic Equations -In honor of Professor Takasi Senba on his 60yh birthday, Nov, 2019 Invited
Global existence and blow up of solutions to an attraction-repulsion chemotaxis system in the balance case

Sep, 2019
Global existence and blow-up for a higher-dimensional attraction-repulsion chemotaxis system in the balance case

Jan, 2019 Invited
Global existence and blow-up for a higher-dimensional attraction-replusion chemotaxis system in the balance case

Dec, 2018 Invited
Global existence of solutions to the Cauchy problem for an attraction--repulsion chemotaxis system in two dimensions in the attractive dominant case

Toshitaka Nagai, Tetsuya Yamada

12th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, Jul, 2018 Invited
Global existence of solutions to the Cauchy problem of an attraction–repulsion chemotaxis system in two dimensions with critical mass

永井敏隆, 山田哲也

第43回発展方程式研究会, Dec, 2017
Boundedness of solutions to a parabolic-elliptic chemotaxis model in R^2 with critical mass

永井敏隆, 山田哲也

日本数学会2017年度秋季総合分科会（函数方程式論分科会）, Sep, 2017
Global existence of solutions to the Cauchy problem of an attraction-repulsion chemotaxis system in R2

永井敏隆, 山田哲也

日本数学会2017年度年会（函数方程式論分科会）, Mar, 2017
Global existence of solutions to the Cauchy problem of an attraction--repulsion chemotaxis system in two dimensions

山田哲也

九州関数方程式セミナー, Jan, 2017 Invited
Global existence of solutions to the Cauchy problem of an attraction-repulsion chemotaxis system in two dimensions

永井敏隆, 山田哲也

第42回発展方程式研究会, Dec, 2016
Sharp asymptotic profiles of solutions to a simplifed attraction-repulsion chemotaxis model in the whole space

Tetsuya Yamada

11th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, Jul, 2016 Invited
On the initial value problem of an attraction-repulsion chemotaxis model in the whole space

山田哲也

拡散に付随する数理科学セミナー, Mar, 2016 Invited

Professional Memberships

日本数学会

Research Projects

Developing teaching materials for blended learning and investigating its effectiveness on general education at the National Institute of Technology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Fujita Takuro

Academic Activities

Takamatsu Workshop on Partial Differential Equations

Planning, management, etc.

宮﨑隼人, 滝本和広, 竹田寛志, 山田哲也, Mar 27, 2023 - Mar 28, 2023
第3回高専間ネットワークによる微分方程式研究会

Planning, management, etc.

若狭恭平, 赤川佳穂, 石井裕太, 石橋和葵, 馬越春樹, 榎本翔太, 沖田匡聡, 熊谷大雅, 竹井優美子, 豊田洋平, 八木真太郎, 山田哲也, 佐々木多希子, 松澤寛, 宮崎隼人, Mar 20, 2023 - Mar 20, 2023
第2回高専間ネットワークによる微分方程式研究会

Planning, management, etc.

若狭恭平, 赤川佳穂, 石井裕太, 石橋和葵, 榎本翔太, 沖田匡聡, 熊谷大雅, 竹井優美子, 豊田洋平, 八木真太郎, 山田哲也, 佐々木多希子, 松澤寛, 宮崎隼人 (オンライン), Mar 20, 2022 - Mar 21, 2022
高専間ネットワークによる微分方程式研究会

Planning, management, etc.

若狭恭平, 佐々木多希子, 八木真太郎, 山田哲也, 熊谷大雅, 豊田洋平, 沖田匡聡, 松澤寛, 宮崎隼人 (オンライン), Mar 23, 2021 - Mar 24, 2021

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