Dimensão de Hausdorff de ferraduras

AUTOR(ES)
DATA DE PUBLICAÇÃO

2010

RESUMO

Let f be a Cr diffeomorphism r ≥ 2 of a surface M2, and let ∆ a horseshoe of f (i.e, a transitive and isolated hiperbolic set). It is a classical result that exists a neighborhood U of such that for every diffeomorphism close to f in Cr topology the set ∆ g = ∩ gn (∪) is a horseshoe for g. We will prove a result of Mañé [3] that provides there exist a Cr neighborhood U of f such that, the map U ∃ g → HD(∆ g) ϵR is a Cr function of g.

ASSUNTO(S)

teoria dos conjuntos análise matemática matematica

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