2006
DOI: 10.1007/s00605-005-0389-x
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Ergodic Optimization for Renewal Type Shifts

Abstract: Abstract. We consider a class of countable Markov shifts R and a locally Hölder potential φ. We prove that the existence of φ−optimal measures is closely related to the behaviour of the pressure function t → P (tφ). Using a Theorem by Sarig it is possible to prove that there exists a critical value tc ∈ (0, ∞] such that for t < tc the pressure is analytic and for t > tc is linear. We prove that if tc is finite then there are no φ−optimal measures and if it is infinite then φ−optimal measures do exist.

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Cited by 19 publications
(28 citation statements)
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“…Proposition 2 ( [27]; see also [10]): Let (Σ R , σ) be the renewal shift. For each φ ∈ R there exists q c ∈ (0, +∞] such that:…”
Section: Renewal Shiftmentioning
confidence: 99%
“…Proposition 2 ( [27]; see also [10]): Let (Σ R , σ) be the renewal shift. For each φ ∈ R there exists q c ∈ (0, +∞] such that:…”
Section: Renewal Shiftmentioning
confidence: 99%
“…. , l K 0 }, então para qualquer a ∈ N existem l 1 e l K 0 tais que Um exemplo importante de um shift que não tem a propriedade BIP e que é topologicamente mixing é o Renewal shift (veja [Iom07]). …”
Section: Dado Um Inteiro Não Negativo I Denote Porunclassified
“…Usando os resultados de Sarig [Sar01], G. Iommi [Iom07] mostrou que no Renewal shift a existên-cia de medidas maximizantes para um potencial localmente Hölder contínuo equivale à analiticidade da pressão para todo β > 0. Voltaremos neste exemplo no futuro.…”
Section: Dado Um Inteiro Não Negativo I Denote Porunclassified
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