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Switched Server Systems Whose Parameters are Normal Numbers in Base 4

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Autor(es):
Antunes, Andre do Amaral ; Bugeaud, Yann ; Pires, Benito
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: Qualitative Theory of Dynamical Systems; v. 21, n. 4, p. 13-pg., 2022-12-01.
Resumo

Switched server systems are mathematical models of manufacturing, traffic and queueing systems. Recently, it was proved in (Eur J Appl Math 31(4), 682-708, 2020) that there exist switched server systems with 3 buffers (tanks), a server, filling rates rho(1) = rho(2) = rho(3)=1/3 and parameters d(1), d(2), d(3) > 0 whose omega-limit set is a fractal set. In this article, we give an explicit large subset of parameters for which the corresponding switched server systems have no fractal omega-limit set. More precisely, the Poincare map of each system has a finite omega-limit set. The approach we use is to study the topological dynamics of a family of piecewise lambda-affine contractions that includes the Poincare maps of the switched server systems as a particular case. (AU)

Processo FAPESP: 19/10269-3 - Teorias ergódica e qualitativa dos sistemas dinâmicos II
Beneficiário:Claudio Aguinaldo Buzzi
Modalidade de apoio: Auxílio à Pesquisa - Temático