Hayato Chiba - My portal - researchmap

Profile Information

Affiliation: Professor, Advanced Institute for Materials Research (AIMR), Tohoku University

Degree: 京都大学（情報学）(Mar, 2009)

J-GLOBAL ID: 201601004427199125
researchmap Member ID: 7000018741

External link: https://www.wpi-aimr.tohoku.ac.jp/chiba/index-e.htm

Research Interests

2

Research Areas

1

Natural sciences / Mathematical analysis /

Research History

5

Apr, 2019 - Present

Advanced Institute for Materials Research, Tohoku University
Sep, 2013 - Mar, 2019

Kyushu University
Apr, 2011 - Aug, 2013

Kyushu University
Oct, 2009 - Mar, 2011

Kyushu University
Apr, 2009 - Sep, 2009

Kyoto University

Education

2

Apr, 2005 - Mar, 2009

Kyoto University
Apr, 2001 - Mar, 2005

School of Engineering Science, Faculty of Engineering, Kyoto University

Awards

3

Aug, 2018

九州大学講義賞

千葉逸人
Apr, 2016

文部科学省表彰若手科学者賞

千葉逸人
Oct, 2013

藤原洋数理科学賞奨励賞

千葉逸人

Papers

29

Generalized eigenvalues of the Perron-Frobenius operators of symbolic dynamical systems

SIAM Journal on Applied Dynamical Systems, 2023 Lead author
Weights, Kovalevskaya exponents and the Painleve property

Annales de l'Institut Fourier, 2023 Peer-reviewedLead author
Bifurcations and patterns in the Kuramoto model with inertia

J. of Nonlinear Science, 2023 Peer-reviewedLead author
Stability and bifurcation of mixing in the Kuramoto model with inertia

SIAM J. on Math. Analy, 54 1797-1819, 2022 Peer-reviewedLead author
Normal Forms of C^\infty Vector Fields based on the Renormalization Group,

H. Chiba

J. Math. Phys., 62 062703, 2021 Peer-reviewedLead author
A Hopf bifurcation in the Kuramoto-Daido model

H. Chiba

J. Diff. Equ, 280 546-570, 2021 Peer-reviewedLead author
Bifurcation of the neuronal population dynamics of the modified theta model: transition to macroscopic gamma oscillation

K. Kotani, A. Akao, H.Chiba

Physica D, 416 132789, 2021 Peer-reviewedLast author
The mean field analysis ofthe Kuramoto model on graphs II. Asymptotic stability of the incoherentstate, center manifold reduction, and bifurcations

H.Chiba, G. S. Medve

Discret. Contin. Dyn. S.-A, 39(7) 3897-3921, 2019 Peer-reviewedLead author
Bifurcations in the Kuramoto model on graphs

H.Chiba, G. S. Medvedev, M. S. Muzuhara

Chaos, 28, 2018 Peer-reviewed
The mean field analysis for the Kuramoto model on graphs I. The mean field equation and transition point formulas

H.Chiba, G. S. Medve

Discret. Contin. Dyn. S.-A, 2018 Peer-reviewed
A spectral theory of linear operators on rigged Hilbert spaces under analyticity conditions II : applications to Schrodinger operators

Hayato Chiba

Kyushu Journal of Math., 2018 Peer-reviewed
A Center Manifold Reduction of the Kuramoto-Daido Model with a Phase-Lag

Hayato Chiba

SIAM JOURNAL ON APPLIED DYNAMICAL SYSTEMS, 16(3) 1235-1259, 2017 Peer-reviewed
Multi-Poisson Approach to the Painleve Equations: from the Isospectral Deformation to the Isomonodromic Deformation

Hayato Chiba

SYMMETRY INTEGRABILITY AND GEOMETRY-METHODS AND APPLICATIONS, 13, 2017 Peer-reviewed
The Third, Fifth and Sixth Painleve Equations on Weighted Projective Spaces

Hayato Chiba

SYMMETRY INTEGRABILITY AND GEOMETRY-METHODS AND APPLICATIONS, 12, 2016 Peer-reviewed
The first, second and fourth Painleve equations on weighted projective spaces

Hayato Chiba

JOURNAL OF DIFFERENTIAL EQUATIONS, 260(2) 1263-1313, Jan, 2016 Peer-reviewed
Kovalevskaya exponents and the space of initial conditions of a quasi-homogeneous vector field

Hayato Chiba

JOURNAL OF DIFFERENTIAL EQUATIONS, 259(12) 7681-7716, Dec, 2015 Peer-reviewed
A proof of the Kuramoto conjecture for a bifurcation structure of the infinite-dimensional Kuramoto model

Hayato Chiba

ERGODIC THEORY AND DYNAMICAL SYSTEMS, 35 762-834, May, 2015 Peer-reviewed
A spectral theory of linear operators on rigged Hilbert spaces under analyticity conditions

Hayato Chiba

ADVANCES IN MATHEMATICS, 273 324-379, Mar, 2015 Peer-reviewed
Reduction of weakly nonlinear parabolic partial differential equations

Hayato Chiba

JOURNAL OF MATHEMATICAL PHYSICS, 54(10), Oct, 2013 Peer-reviewed
CONTINUOUS LIMIT AND THE MOMENTS SYSTEM FOR THE GLOBALLY COUPLED PHASE OSCILLATORS

Hayato Chiba

DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS, 33(5) 1891-1903, May, 2013 Peer-reviewed

More

Misc.

2

可積分系とPainleve方程式 (特集物理学における数学的発想 : なぜ数学の考え方が必要になるか)

千葉逸人

数理科学, 54(4) 44-49, Apr, 2016
Linear stability of the incoherent solution and the transition formula for the Kuramoto-Daido model (Applications of Renormalization Group Methods in Mathematical Sciences)

CHIBA Hayato

RIMS Kokyuroku Bessatsu, 21 109-128, Dec, 2010

Books and Other Publications

3

解くための微分方程式と力学系理論

千葉逸人

現代数学社, Nov, 2021
ベクトル解析からの幾何学入門

千葉逸人

現代数学社, Nov, 2007
これならわかる工学部で学ぶ数学

千葉逸人

プレアデス出版, Jul, 2003

Research Projects

6

脳多元自発活動の創発と遷移による脳のデザインビルド

科学研究費助成事業, 学術変革領域研究(B), 日本学術振興会, May, 2022 - Mar, 2025

上阪直史, 水野秀信, 早川隆, 千葉逸人
無限グラフ上の結合振動子系のダイナミクスの研究

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2019 - Mar, 2023

千葉逸人
Spectrum of transfer operators for hyperbolic dynamical systems

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2020

Tsujii Masato
A study on the generalized spectral theory and its applications to evolution equations

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2017

Chiba Hayato
Entrainment ability maximization in nonlinear oscillators by using calculus of variations, and its applications to practical design problems

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2014

TANAKA Hisaaki, TOKUDA Isao, CHIBA Hayato
A bifurcationtheory of infinitedimensional dynamical systems and its applications to coupled oscillators

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, 2010 - 2012

CHIBA Hayato

Social Activities

1

テレビ出演など多数

Guest, Commentator, Lecturer, Consultant, Official expert