57 citations · 101 across the 17 of their papers we have counts for
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nlin.AO2019★ 2 cited
Diversity of dynamical behaviors due to initial conditions: exact results with extended Ott--Antonsen ansatz for identical Kuramoto--Sakaguchi phase oscillators
Akihisa Ichiki, Keiji Okumura
The Ott--Antonsen ansatz is a powerful tool to extract the behaviors of coupled phase oscillators, but it imposes a strong restriction on the initial condition. Herein, a systemati…
nlin.CD2019
Chaotic synchronization induced by external noise in coupled limit cycle oscillators
Keiji Okumura, Akihisa Ichiki
A solvable model of noise effects on globally coupled limit cycle oscillators is proposed. The oscillators are under the influence of independent and additive white Gaussian noise.…