Isamu Ohnishi (Ph.D (Mathematical Science))

Control theory! My slogan is "To con…

Isamu Ohnishi (Ph.D (Mathematical Science))

Control theory! My slogan is "To control, we must first understand it properly, and characterize it as precisely as possible."

記事一覧

A mathematically scientific study of cyanobacteria’s circadian rhythm based on induced memory by hysteresis structure o…

Life organisms is a continuum of control systems, which is deeply interested mechanically as well as biologically. For instance, the circadian rhythm is a very …

Spectral comparison between the second and the fourth order equations of conservative type with non local terms

By Y. Nishiura and I. Ohnishi Japan J. Indust. Appl. Math. 15 , no. 2, 253 262, (1998) The abstract is the following: We present a spectral comparison theore…

Physarum can solve the shortest path problem on Riemannian surface mathematically rigorously

By T. Miyaji, and I. Ohnishi International J. Pure Appl. Math.. Vol. 47, No. 3, pp.353 -369.

Macroscopic patt ern formation of liquid crystal in kappa carrageenan gel

By T. Narita, I. Ohnishi, M. Tokita, and Y. Oishi Colloids and surfaces A, Vol. 321 (2008) 117 120. The abstract is the following: A macroscopic pattern cons…

Mathematical analysis to an adaptive network of the Plasmodium system

By T. Miyaji, and I. Ohnishi Hokkaido Math. J. Volume 36, Number 2 (2007), 445-465. The abstract is the following: Adaptive networks are emerging a lot of f…

A billiard problem in nonlinear and nonequilibrium systems

By Masayasu Mimura, Tomoyuki Miyaji and Isamu Ohnishi Hiroshima Math. J. 37 (2007), 343–384 The Abstract is the following: . In this paper a billiard proble…

Symmetry Breaking and Other Phenomena in the Optimization of Eigenvalues for Composite Membranes

By S. Chanillo, D. Grieser, M. Imai, K. Kurata & I. Ohnishi Communications in Mathematical Physics volume 214, pages315–337(2000) The Abstract is the follow…

A Mathematical Aspects for Liesegang Phenomena

By I. Ohnishi and M. Mimura Proceedings of Equadiff-11, 2005, pp. 343–352, ISBN 978-80-227-2624-5 The abstract is the following: Liesegang phenomena are ma…

Fast reaction limits and Liesegang bands

By D. Hilhorst, R. van der Hout, M. Mimura and I. Ohnishi International Series of Numerical Mathematics, Vol. 154, 241–250 The abstract is the following: …

Standing pulse solutions for the FitzHugh-Nagumo equations

By Y. Oshita, and I. Ohnishi, Japan Journal of Industrial and Applied Mathematics volume 20, Article number: 101 (2003) The abstract is the following: We are…

Dimension estimate of the global attractor for forced oscillation systems

By Yuji HATTORI, Naoyuki ISHIMURA, Isamu OHNISHI and Makoto UMEKI Japan J. Indu5t. Appl. Math., 10 (1993), 351-366 The abstract is the following: We deal w…

Dimension estimate of the global attractor for resonant motion of a spherical pendulum

By Isamu Ohnishi Proc. Japan Acad. Ser. A Math. Sci., Volume 68, Number 9 (1992), 302-306. The Abstract is the following: Miles derived a system (SP). It de…

Analytical solutions describing the phase separation driven by a free energy functional containing a long-range interact…

By Isamu Ohnishi, Yasumasa Nishiura, Masaki Imai, and Y. Matsushita CHAOS VOLUME 9, NUMBER 2 JUNE 1999 The abstract is the following: We are primarily concer…

Standard model of a binary digit of memory with multiple covalent modifications in a cell

By Isamu Ohnishi J. Pur. Appl. Math., Vol.2 No.1 (2018) The abstract is the following: A model system of ordinary differential equations describing cyanoba…

Memory Reinforcement with Scale Effect and its Application to Mutual Symbiosis among Terrestrial Cyanobacteria of Nostoc…

By Isamu Ohnishi Global Science Chronicle, Vol 1(1): 1-7 (2019) The abstract is following: We are concerned with BNF (biological nitrogen fixation) of mutua…

Failure to the shortest path decision of an adaptive transport network with double edges in Plasmodium system

By Tomoyuki Miyaji, Isamu Ohnishi, Atsushi Tero, and Toshiyuki Nakagaki Int. J. Dynamical Systems and Differential Equations, Vol. 1, No. 3, 2008 The abstract…

A mathematically scientific study of cyanobacteria’s circadian rhythm based on induced memory by hysteresis structure of covalent modification as self-feedforward auto-control system

A mathematically scientific study of cyanobacteria’s circadian rhythm based on induced memory by hysteresis structure of covalent modification as self-feedforward auto-control system

Life organisms is a continuum of control systems, which is deeply interested mechanically as well as biologically. For instance, the circadian rhythm is a very useful trait that is naturally and insti

もっとみる
Spectral comparison between the second and the
fourth order equations of conservative type with non local terms

Spectral comparison between the second and the fourth order equations of conservative type with non local terms

By Y. Nishiura and I. Ohnishi

Japan J. Indust. Appl. Math. 15 , no. 2, 253 262, (1998)

The abstract is the following:

We present a spectral comparison theorem between the second and the fourth orde

もっとみる

Macroscopic patt ern formation of liquid crystal in kappa carrageenan gel

By T. Narita, I. Ohnishi, M. Tokita, and Y. Oishi

Colloids and surfaces A, Vol. 321 (2008) 117 120.

The abstract is the following:

A macroscopic pattern consisting of liquid crystal layers in hydor

もっとみる

Mathematical analysis to an adaptive network of the Plasmodium system

By T. Miyaji, and I. Ohnishi

Hokkaido Math. J. Volume 36, Number 2 (2007), 445-465.

The abstract is the following:

Adaptive networks are emerging a lot of fields of science, recently. In this
pape

もっとみる

A billiard problem in nonlinear and nonequilibrium systems

By Masayasu Mimura, Tomoyuki Miyaji and Isamu Ohnishi

Hiroshima Math. J. 37 (2007), 343–384

The Abstract is the following:

. In this paper a billiard problem in nonlinear and nonequilibrium systems

もっとみる

Symmetry Breaking and Other Phenomena in the Optimization of Eigenvalues for Composite Membranes

By S. Chanillo, D. Grieser, M. Imai, K. Kurata & I. Ohnishi

Communications in Mathematical Physics volume 214, pages315–337(2000)

The Abstract is the following:

We consider the following eigenvalu

もっとみる
A Mathematical Aspects for Liesegang
Phenomena

A Mathematical Aspects for Liesegang Phenomena

By I. Ohnishi and M. Mimura

Proceedings of Equadiff-11, 2005, pp. 343–352, ISBN 978-80-227-2624-5

The abstract is the following:

Liesegang phenomena are macroscopic pattern formations which
appear

もっとみる

Fast reaction limits and Liesegang bands

By D. Hilhorst, R. van der Hout, M. Mimura and I. Ohnishi

International Series of Numerical Mathematics, Vol. 154, 241–250

The abstract is the following:

The purpose of this study is to start und

もっとみる
Standing pulse solutions for the FitzHugh-Nagumo equations

Standing pulse solutions for the FitzHugh-Nagumo equations

By Y. Oshita, and I. Ohnishi,

Japan Journal of Industrial and Applied Mathematics volume 20, Article number: 101 (2003)

The abstract is the following:

We are basically concerned with existence of s

もっとみる

Dimension estimate of the global attractor for forced oscillation systems

By Yuji HATTORI, Naoyuki ISHIMURA, Isamu OHNISHI and Makoto UMEKI

Japan J. Indu5t. Appl. Math., 10 (1993), 351-366

The abstract is the following:

We deal with the largest compact invariant setX f

もっとみる

Dimension estimate of the global attractor for resonant motion of a spherical pendulum

By Isamu Ohnishi

Proc. Japan Acad. Ser. A Math. Sci., Volume 68, Number 9 (1992), 302-306.

The Abstract is the following:

Miles derived a system (SP). It describes the motion of a lightly damped s

もっとみる
Analytical solutions describing the phase separation driven by a free
energy functional containing a long-range interaction term

Analytical solutions describing the phase separation driven by a free energy functional containing a long-range interaction term

By Isamu Ohnishi, Yasumasa Nishiura, Masaki Imai, and Y. Matsushita

CHAOS VOLUME 9, NUMBER 2 JUNE 1999

The abstract is the following:

We are primarily concerned with the variational problem with lo

もっとみる

Standard model of a binary digit of memory with multiple covalent modifications in a cell

By Isamu Ohnishi

J. Pur. Appl. Math., Vol.2 No.1 (2018)

The abstract is the following:

A model system of ordinary differential equations describing cyanobacteria’s
circadian rhythm by use of a bi

もっとみる

Memory Reinforcement with Scale Effect and its Application to Mutual Symbiosis among Terrestrial Cyanobacteria of Nostochineae, Feather Mosses and Old Trees in Boreal Biome in Boreal Forests

By Isamu Ohnishi

Global Science Chronicle, Vol 1(1): 1-7 (2019)

The abstract is following:

We are concerned with BNF (biological nitrogen fixation) of mutual symbiosis between terrestrial cyanobac

もっとみる

Failure to the shortest path decision of an adaptive transport network with double edges in Plasmodium system

By Tomoyuki Miyaji, Isamu Ohnishi, Atsushi Tero, and Toshiyuki Nakagaki

Int. J. Dynamical Systems and Differential Equations, Vol. 1, No. 3, 2008

The abstract is the following:

In this paper we st

もっとみる