Zobrazeno 1 - 10 of 201 pro vyhledávání: '"Toshiyuki Ogawa"'
4
Inhibitor-Induced Wavetrains and Spiral Waves in an Extended FitzHugh-Nagumo Model of Nerve Cell Dynamics
Autor: M Osman, Gani, M Humayun, Kabir, Toshiyuki, Ogawa
Publikováno v: Bulletin of mathematical biology. 84(12)
It is well known that the FitzHugh-Nagumo model is one of the simplified forms of the four-variable Hodgkin-Huxley model that can reflect most of the significant phenomena of nerve cell action potential. However, this model cannot capture the irregul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5f8c7ceba42f36b930c166ddac849c15
https://pubmed.ncbi.nlm.nih.gov/36350426
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5
Existence and stability of non-monotone travelling wave solutions for the diffusive Lotka–Volterra system of three competing species
Autor: Masayasu Mimura, Chueh Hsin Chang, Chiun Chuan Chen, Li Chang Hung, Toshiyuki Ogawa
Publikováno v: Nonlinearity. 33:5080-5110
This paper considers the problem: if coexistence occurs in the long run when a third species w invades an ecosystem consisting of two species u and v on , where u, v and w compete with one another. Under the assumption that the influence of w on u an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9627dc921f8eb2508ee91255e3ae8e8a
https://doi.org/10.1088/1361-6544/ab9244
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8
Cascoded GaN half-bridge with 17 MHz wide-band galvanically isolated current sensor
Autor: Hideaki Majima, Hiroaki Ishihara, Katsuyuki Ikeuchi, Toshiyuki Ogawa, Yuichi Sawahara, Tatsuhiro Ogawa, Satoshi Takaya, Kohei Onizuka, Osamu Watanabe
Publikováno v: Japanese Journal of Applied Physics. 61:SC1052
A cascoded GaN half-bridge with a wide-band galvanically isolated current sensor is proposed. A 650 V depletion-mode GaN field-effect transistor is switched by a low-propagation-delay gate driver in active-mode. The standby and active modes are switc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a40879af3eebadf3d153ad7f1ee75d31
https://doi.org/10.35848/1347-4065/ac4446
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9
Spiral breakup in a RD system of cardiac excitation due to front–back interaction
Autor: Toshiyuki Ogawa, M. Osman Gani
Publikováno v: Wave Motion. 79:73-83
We consider a two-variable partial differential equations model of cardiac excitation and study spiral wave instability in a one-parameter family of solutions. We investigate numerically the existence of periodic traveling wave solution and show the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fd9190677d4dfa4e7b51e459e3e4afe
https://doi.org/10.1016/j.wavemoti.2018.02.010
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10
Rippling rectangular waves for a modified Benney equation
Autor: Tomoyuki Miyaji, Ayuki Sekisaka, Toshiyuki Ogawa
Publikováno v: Japan Journal of Industrial and Applied Mathematics. 35:939-968
One parameter family of rectangular periodic traveling wave solutions are known to exists in a perturbed system of the modified KdV equation. The rectangular periodic traveling wave consists basically of front and back transitions. It turns out that
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0c70afb9a5ec733750caae83da4c4d2
https://doi.org/10.1007/s13160-018-0304-1
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