Výsledky vyhledávání - "Régis Varão"

There exist transitive piecewise smooth vector fields on $\mathbb{S}^2$ but not robustly transitive

Autor: Rodrigo D. Euzébio, Joaby S. Jucá, Régis Varão

It is well known that smooth (or continuous) vector fields cannot be topologically transitive on the sphere $\S^2$. Piecewise-smooth vector fields, on the other hand, may present non-trivial recurrence even on $\S^2$. Accordingly, in this paper the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb5ef9273a20e8bad45d410a80458e48
http://arxiv.org/abs/2101.12035

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Chain Recurrence and Positive Shadowing in Linear Dynamics

Autor: Gabriel Elias Mantovani, Mayara Braz Antunes, Régis Varão

We study positive shadowing and chain recurrence in the context of linear operators acting on Banach spaces or even on normed vector spaces. We show that for linear operators there is only one chain recurrent set, and this set is a closed invariant s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e31b5df0ec9f14be1f416a2935784ede

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Oficinas de matemática elementar: resgatando e estruturando o conhecimento

Autor: Adriano Gomes Santana, Robson Willians Vinciguerra, Daniela Trentin Nava, Regiane Slongo Fagundes, Régis Varão

Publikováno v: Brazilian Journal of Development. 5:21605-21617

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bff5d23c42027f526e63639353151fe2
https://doi.org/10.34117/bjdv5n10-309

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Equilibrium states for maps isotopic to Anosov

Autor: Carlos F. Álvarez, Adriana Cristina Sánchez Chavarría, Ana Régis Varão

Publikováno v: Nonlinearity, vol.34(6), pp.1-15
Kérwá
Universidad de Costa Rica
instacron:UCR

In this work we address the problem of existence and uniqueness (finiteness) of ergodic equilibrium states for partially hyperbolic diffeomorphisms isotopic to Anosov on $\mathbb{T}^4$, with 2-dimensional center foliation. To do so we propose to stud

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A note on invariant measures for Filippov systems

Autor: Régis Varão, Douglas D. Novaes

Publikováno v: Bulletin des Sciences Mathématiques. 167:102954

We are interested in Filippov systems which preserve a probability measure on a compact manifold. We define a measure to be invariant for a Filippov system as the natural analogous definition of invariant measure for flows. Our main result concerns F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::334a57871882df8dd67a72928be027ab
https://doi.org/10.1016/j.bulsci.2021.102954

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Elektronická kniha

An Introduction to the Kolmogorov–Bernoulli Equivalence

Autor: Gabriel Ponce, Régis Varão

This book offers an introduction to a classical problem in ergodic theory and smooth dynamics, namely, the Kolmogorov–Bernoulli (non)equivalence problem, and presents recent results in this field. Starting with a crash course on ergodic theory, it

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Hyperbolic Structures and the Kolmogorov–Bernoulli Equivalence

Autor: Régis Varão, Gabriel Ponce

Publikováno v: An Introduction to the Kolmogorov–Bernoulli Equivalence ISBN: 9783030273897

In the previous chapter we have proved that linear ergodic automorphisms of $\mathbb T^2$ are Kolmogorov and, furthermore, they are Bernoulli. The main goal of this chapter is to show that Kolmogorov and Bernoulli property can be obtained for a muc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1997c2437f142fab6cb0404ee7a30190
https://doi.org/10.1007/978-3-030-27390-3_4

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