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JOURNALS // Teoreticheskaya i Matematicheskaya Fizika // Archive

TMF, 2021 Volume 207, Number 3, Pages 389–402 (Mi tmf10042)

This article is cited in 3 papers

Relaxation oscillations in a logistic equation with past state-dependent delay

V. O. Golubenets

Demidov Yaroslavl State University, Yaroslavl, Russia

Abstract: A logistic equation with a delay depending on the state in the past is considered. We study the question of the existence of nonlocal relaxation periodic solutions of this equation for large values of the parameter. The characteristics (for example, period and extreme values) of solutions that we find are compared with similar characteristics of solutions of other modifications of this equation. Asymptotic estimates for the period and the maximum and minimum values are obtained. The study is carried out by the large parameter method.

Keywords: delay equation, nonconstant delay, relaxation solution, asymptotics, large parameter method.

MSC: 37C99

Received: 23.12.2020
Revised: 30.01.2021

DOI: 10.4213/tmf10042


 English version:
Theoretical and Mathematical Physics, 2021, 207:3, 738–750

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© Steklov Math. Inst. of RAS, 2026