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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Inexistência de difusão sublinear para uma classe de homeomorfismos do toro / Inexistence of sublinear diffusion for a class of torus homeomorphisms

Salomão, Guilherme Silva 30 January 2019 (has links)
No presente trabalho iremos provar, usando a folheação de Brouwer-Le Calvez e a teoria de forcing dela derivada, que dado um homeomorfismo f do toro isotópico à identidade tal que seu conjunto de rotação é um segmento de reta com inclinação irracional e tendo 0 como um ponto extremal, então f não possui difusão sublinear na direção perpendicular à direção do conjunto de rotação / In the present work we will prove, using the Brouwer-Le Calvez foliation and the forcing theory derived from it, that given a torus homeomorphism f isotopopic to the identity such that its rotation set is a line segment with irrational slope and 0 is an extreme point, then f does not have sublinear diffusion in the direction perpendicular to the direction of the rotation set.

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