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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2014 Volume 54, Number 5, Pages 766–778 (Mi zvmmf10031)

This article is cited in 3 papers

Dynamics of the logistic delay equation with a large spatially distributed control coefficient

I. S. Kashchenkoa, S. A. Kashchenkob

a Yaroslavl State University, ul. Sovetskaya 14, Yaroslavl, 150000, Russia
b National Research Nuclear University “MEPhI”, Kashirskoe sh. 31, Moscow, 115409, Russia

Abstract: The local dynamics of the logistic delay equation with a large spatially distributed control coefficient is asymptotically studied. The basic bifurcation scenarios are analyzed depending on the relations between the parameters of the equation. It is shown that the equilibrium states can lose stability even for asymptotically small values of the delay parameter. The corresponding critical cases can have an infinite dimension. Special nonlinear parabolic equations are constructed whose nonlocal dynamics determine the local behavior of solutions to the original boundary value problem.

Key words: dynamics of the logistic delay equation, spatially distributed control, bifurcation, asymptotic methods, parabolic equations.

UDC: 519.62

Received: 18.11.2013

DOI: 10.7868/S0044466914050123


 English version:
Computational Mathematics and Mathematical Physics, 2014, 54:5, 785–796

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