Segata Jun-ichi

セガタジュンイチ | Segata Jun-ichi

Affiliation and department：
Job title：教授

Research field (1)： Mathematical analysis

Research keywords (1)：関数方程式論

Research theme for competitive and other funds (8)：

2021 - 2025 Global analysis for solution of dispersive partial differential equation with mass subcritical nonlinearity
2021 - 2024 Analysis of nonlinear Schrodinger equation on network
2020 - 2024 New developments in mathematical analysis of spatio-temporal nonuniform dynamics in quasilinear hyperbolic-parabolic conservation laws
2019 - 2024 Creation of advanced method in mathematical analysis on nonlinear mathematical models of critical type
2017 - 2021 Analysis of large time behavior of solution to nonlinear partial differential equations with dispersion

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Papers (39)：

Naoyasu Kita, Satoshi Masaki, Jun-ichi Segata, Kota Uriya. Polynomial deceleration for a system of cubic nonlinear Schrödinger equations in one space dimension. Nonlinear Analysis. 2023. 230. 113216-113216
Satoshi Masaki, Jun-ichi Segata, Kota Uriya. On asymptotic behavior of solutions to cubic nonlinear Klein-Gordon systems in one space dimension. Transactions of the American Mathematical Society, Series B. 2022. 9. 18. 517-563
Satoshi Masaki, Jun-ichi Segata, Kota Uriya. Long range scattering for the complex-valued Klein-Gordon equation with quadratic nonlinearity in two dimensions. JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES. 2020. 139. 177-203
Satoshi Masaki, Jason Murphy, Jun-ichi Segata. STABILITY OF SMALL SOLITARY WAVES FOR THE ONE-DIMENSIONAL NLS WITH AN ATTRACTIVE DELTA POTENTIAL. ANALYSIS & PDE. 2020. 13. 4. 1099-1128
Jean-Claude Saut, Jun-ichi Segata. Long range scattering for the nonlinear Schrödinger equation with higher order anisotropic dispersion in two dimensions. Journal of Mathematical Analysis and Applications. 2020. 483

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MISC (4)：

Jun-ichi Segata. Long range scattering for the Klein-Gordon equation with the critical nonlinearity. Sūrikaisekikenkyūsho kōkyūroku. 2018. 2093. 16-26
Jun-ichi Segata. Existence of a minimal non-scattering solutions to the mass-subcritical generalized Korteweg-de Vries equation. Sūrikaisekikenkyūsho kōkyūroku. 2018. 2082. 125-134
Jun-ichi Segata. Well-posedness for the Boussinesq-type system related to the water wave. Sūrikaisekikenkyūsho kōkyūroku. 2004. 1389. 48-59
Jun-ichi Segata. Well-posedness for the forth order nonlinear Schrödinger type equation related to the vortex filament. Sūrikaisekikenkyūsho kōkyūroku. 2003. 1322. 85-95

Lectures and oral presentations (53)：

On 1d nonlinear Schrödinger equation with an attractive delta potential
(2020)
Asymptotic behavior in time of solution to the nonlinear Schrödinger equation with higher order anisotropic dispersion
(2020)
Modified scattering for the complex valued nonlinear Klein-Gordon equation
(Colloquia at Department of Mathematics and Statistics, Missouri University of Science and Technology 2019)
Modified scattering for the complex valued nonlinear Klein-Gordon equation
(Workshop on nonlinear wave equations and related topics in Kobe 2019)
Modified scattering for the complex valued nonlinear Klein-Gordon equation
(Fundamental Problems in Mathematical and Theoretical Physics 2019)

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Education (1)：

Professional career (1)：

Work history (5)：

2019/04 - 現在 Kyushu University Faculty of Mathematics Department of Mathematical Science
2010/10 - 2019/03 Tohoku University
2007/10 - 2010/09 Fukuoka University of Education
2006/04 - 2007/09 Fukuoka University of Education
2005/04 - 2006/03 Tohoku University

Committee career (1)：

Awards (2)：

Association Membership(s) (1)：

日本数学会

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