Numerical bifurcation analysis of a class of nonlinear renewal equations

Breda Dimitri and Diekmann Odo and Liessi Davide and Scarabel Francesca: Numerical bifurcation analysis of a class of nonlinear renewal equations. (2016)

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Abstract

We show, by way of an example, that numerical bifurcation tools for ODE yield reliable bifurcation diagrams when applied to the pseudospectral approximation of a one-parameter family of nonlinear renewal equations. The example resembles logistic- and Ricker-type population equations and exhibits transcritical, Hopf and period doubling bifurcations. The reliability is demonstrated by comparing the results to those obtained by a reduction to a Hamiltonian Kaplan–Yorke system and to those obtained by direct application of collocation methods (the latter also yield estimates for positive Lyapunov exponents in the chaotic regime). We conclude that the methodology described here works well for a class of delay equations for which currently no tailor-made tools exist (and for which it is doubtful that these will ever be constructed).

Item Type: Journal
Other title: Honoring the career of Tibor Krisztin on the occasion of his sixtieth birthday
Publication full: Electronic journal of qualitative theory of differential equations : special edition
Date: 2016
Volume: 2
Number: 65
ISSN: 1417-3875
Number of Pages: 24
Language: English
DOI: 10.14232/ejqtde.2016.1.65
Uncontrolled Keywords: Differenciálegyenlet, Bifurkáció
Additional Information: Bibliogr.: p. 20-24. ; összefoglalás angol nyelven
Date Deposited: 2021. Nov. 11. 12:25
Last Modified: 2021. Nov. 12. 09:42
URI: http://acta.bibl.u-szeged.hu/id/eprint/73732

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