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Doctoral Thesis
DOI
https://doi.org/10.11606/T.45.2017.tde-16052017-082348
Document
Author
Full name
Gabriela Alexandra Estevez Jacinto
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2017
Supervisor
Committee
Faria, Edson de (President)
Bonnot, Sylvain Philippe Pierre
Brandão, Daniel Smania
Cunha, Kleyber Mota da
Quiñones, Pablo Andrés Guarino
Title in Portuguese
Rigidez quase-simétrica para mapas multicríticos do círculo
Keywords in Portuguese
Mapas multicríticos do círculo
Partições dinâmicas
Real Bounds
Rigidez
Abstract in Portuguese
No presente trabalho consideramos homeomorfismos do círculo sem pontos periódicos e com o mesmo número finito de pontos críticos todos de tipo non-flat. Provamos que se existe uma conjugação topológica entre dois destes mapas que leva ponto crítico em ponto crítico, sem necessidade de preservar criticalidades, então dita conjugação é uma transformação quase-simétrica com distorção quase-simétrica local uniformemente limitada. Estes resultados são válidos para qualquer número de rotação irracional e são independentes da natureza das criticalidades dos pontos críticos, de modo que nossos resultados são válidos para toda criticalidade real.
Title in English
Quasisymmetric rigidity of multicritical circle maps
Keywords in English
Dynamical partitions
Multicritical circle maps
Real Bounds
Rigidity
Abstract in English
In this work we consider circle homeomorphisms without periodic points and with finite number of critical points all of them being non-flat. We prove that if there exists a topological conjugacy between two of those maps which sends critical point into critical point, which not necessarily preserve criticalities, then this conjugacy is a quasi-symmetric map with quasi-symmetric distortion universally bounded. All these results are valid for any irrational rotation number and are independent of the nature of the criticalities, therefore our results are valid for all real criticalities.
 
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GabiPhDtese.pdf (970.06 Kbytes)
Publishing Date
2017-05-29
 
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