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Makarov, Valeri A. ; Nekorkin, Vladimir I. ; Velarde, Manuel G. | American Physical Society | 1998-11We consider a chain with many locally coupled bistable nonisochronous oscillators. We show that on the "background" of a disordered amplitude distribution either phase or frequency clusters form in the chain. Cluster location varies according to[...]texto impreso
Makarov, Valeri A. ; Nekorkin, Vladimir I. ; Velarde, Manuel G. | World Scientific Publishing | 2001-01A one-dimensional chain consisting of many locally coupled oscillatory units is considered when both diffusive (linear) and nonlinear interactions exist. The dynamics of units may also be altered by a weak white Gaussian noise. Two different col[...]texto impreso
The spatiotemporal behavior of a chain of diffusively coupled bistable oscillators is investigated. It is stated that there is spatial disorder and its evolutionary character is demonstrated.texto impreso
Makarov, Valeri A. ; Nekorkin, Vladimir I. ; Kazantsev, V.B. ; Velarde, Manuel G. | Elsevier | 1997-02-01The spatio-temporal dynamics of discrete lattices of coupled bistable elements is considered. It is shown that both regular and chaotic spatial field distributions can be realized depending on parameter values and initial conditions. For illustr[...]texto impreso
Makarov, Valeri A. ; Nekorkin, Vladimir I. ; Velarde, Manuel G. | American Physical Society | 2001-04-09We show that firing activity (spiking) can be regularized by noise in a FitzHugh-Nagumo (FHN) neuron model when operating slightly beyond the supercritical Hopf bifurcation (in the "canard" region). We also provide the conditions for imperfect p[...]
