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Doctoral Thesis
DOI
https://doi.org/10.11606/T.45.2023.tde-18072023-133923
Document
Author
Full name
João Paulo Ferreira de Mello
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2023
Supervisor
Committee
Carvalho, André Salles de (President)
Bertolini, Marcel Vinhas
Bonatti, Christian
Boyland, Philip Lewis
Zanata, Salvador Addas
Title in English
Tight quotients of Smale diffeomorphisms on surfaces
Keywords in English
Generalized pseudo-anosov homeomorphisms
Smale diffeomorphisms
Zero-entropy equivalence
Abstract in English
Given a diffeomorphism $f$ over a closed surface, two points are said to be zero-entropy equivalence if there exist a continuum containing both points and the continuum carries zero entropy. In this work we use this concept to prove that the quotient dynamics, by the zero-entropy relation, of a \textit diffeomorphism, which is a subclass of Smale diffeomorphisms on surfaces, is a generalized pseudo-Anosov homeomorphism over a closed surface possibly having identified points.
Title in Portuguese
Quocientes justos de difeomorfismos de Smale em superfícies
Keywords in Portuguese
Difeomorfismos de smale
Equivalência de zero-entropia
Abstract in Portuguese
Dado um difeomorfismo $f$ sobre uma superfície fechada, dois pontos são ditos zero-entrópicos equivalentes se existe um contínuo contendo ambos os pontos onde o contínuo carrega zero entropia. Neste trabalho usamos este conceito para mostrar que a dinâmica quociente, pela relação de zero-entropia, de um difeomorfismo do tipo \textit, que é uma subclasse dos difeomorfismos de Smale em superfícies, é um homeomorfismo pseudo-Anosov generalizado sobre uma superfície fechada possivelmente possuindo pontos identificados.
 
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tesecorrigida.pdf (2.22 Mbytes)
Publishing Date
2023-07-19
 
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