OGIWARA Toshiko

J-GLOBAL         Last updated: Oct 20, 2019 at 14:48
 
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Name
OGIWARA Toshiko
Affiliation
Josai University
Section
Faculty of Sciences Department of Mathematics
Degree
(BLANK)(University of Tokyo)

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
 
   
 
Josai University Faculty of Sciences, Department of Mathematics, Faculty of Science
 
1996
 - 
1998
University of Electro-Communications, Part-time Teacher
 
1996
 - 
1998
Meiji University, Part-time Teacher
 
1998
   
 
Hokkaido University, Researcher of VBL
 

Education

 
 
 - 
1996
Mathematical Science, Graduate School of Mathematical Sciences, University of Tokyo
 
 
 - 
1993
Mathematics, Graduate School of Science, Ochanomizu University
 
 
 - 
1991
Mathematics, Faculty of Science, Ochanomizu University
 

Published Papers

 
Jong Shenq Guo, Ken Ichi Nakamura, Toshiko Ogiwara, Chin Chin Wu
Journal of Mathematical Analysis and Applications   472 1534-1550   2019   [Refereed]
© 2018 Elsevier Inc. We study the stability and uniqueness of nonzero speed traveling waves for a three-component lattice dynamical system. This system arises in the study of three species competition model in which there is no competition between...
On the behavior of solutions for Lanchester square-law models with time-dependent coefficients
Toshiko Ogiwara and Hiroyuki Usami
Josai Mathematical Monographs   11 15-25   2018   [Refereed]
Ken Ichi Nakamura, Toshiko Ogiwara
Networks and Heterogeneous Media   7 881-891   Dec 2012   [Refereed]
We study the behavior of unbounded global orbits in a class of strongly monotone semiows and give a criterion for the existence of orbits with periodic growth. We also prove the uniqueness and asymptotic stability of such orbits. We apply our resu...
Jong Shenq Guo, Ken Ichi Nakamura, Toshiko Ogiwara, Je Chiang Tsai
Japan Journal of Industrial and Applied Mathematics   23 1-19   Jan 2006   [Refereed]
We study an autonomous system of two first order ordinary differential equations. This system arises from a model for steadily rotating spiral waves in excitable media. The sharply located spiral wave fronts are modeled as planar curves. Their nor...
Toshiko Ogiwara, Ken Ichi Nakamura
Publications of the Research Institute for Mathematical Sciences   39 767-783   Jan 2003   [Refereed]
This paper is concerned with nonlinear diffusion equations related to a model of the motion of screw dislocations on crystal surfaces. We prove the existence, uniqueness and asymptotic stability of a rotating and growing solution with a time-indep...

Misc

 
Convergence results in order-preserving dynamical systems and applications to a molecular motor system
OGIWARA Toshiko
RIMS講究録   1881 43-56   2014   [Invited]
Large time behavior of unbounded global solutions to some nonlinear diffusion equations
Nakamura Ken-Ichi and OGIWARA Toshiko
RIMS講究録   1464 164-172   2006   [Invited]
Travelling waves for reaction-diffusion equations.with periodic nonlinearity
Toshiko Ogiwara,Katsuyuki Tagusari
2004年度応用数学合同研究集会   225-226   Dec 2004
結晶成長モデルに関係した曲線の発展方程式に現れるスパイラルの形状について
Sasaki Yohei,Toshiko Ogiwara
2003年度応用数学合同研究集会   213-214   Dec 2003
Symmetry and stability in Differential equations
Toshiko Ogiwara,Hiroshi Matano
RIMS 講究録   1391    Nov 2003   [Invited]

Conference Activities & Talks

 
戦闘モデルに関連した 非自励的2 種競争系の解の挙動 [Invited]
OGIWARA Toshiko
非線形現象の数理解析   Mar 2019   
Asymptotic behavior of solutions for nonautonomous Lanchester type systems [Invited]
OGIWARA Toshiko
NCTS 2019 Workshop on Applied Mathematics in Taichung   Mar 2019   
On the behavior of solutions for Lanchester square-law models with time-dependent coefficients
OGIWARA Toshiko
25 Nov 2017   
Asymptotic behavior of solutions for some diffusion equation with time delay [Invited]
OGIWARA Toshiko
NCTS Workshop on Applied Mathematics at Tainan   Mar 2017   
Stability of traveling waves for a 3-component competition model on a lattice
OGIWARA Toshiko
研究会「数理で解き明かす森羅万象」   Aug 2016   

Research Grants & Projects

 
Study on reaction diffusion equations