Advanced search
Start date
Betweenand
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Stochastic perturbations of convex billiards

Full text
Author(s):
Markarian, R. [1] ; Rolla, L. T. [2, 3] ; Sidoravicius, V. [4] ; Tal, F. A. [5] ; Vares, M. E. [6]
Total Authors: 5
Affiliation:
[1] IMERL, Fac Ingn, UdelaR, Montevideo 11200 - Uruguay
[2] Consejo Nacl Invest Cient & Tecn, Luis A Santalo Math Res Inst, RA-1033 Buenos Aires, DF - Argentina
[3] UBA, Buenos Aires, DF - Argentina
[4] IMPA, BR-22460320 Rio De Janeiro, RJ - Brazil
[5] Univ Sao Paulo, Inst Matemat & Estat, BR-05508090 Sao Paulo, SP - Brazil
[6] Univ Fed Rio de Janeiro, Inst Matemat, BR-21941901 Rio De Janeiro, RJ - Brazil
Total Affiliations: 6
Document type: Journal article
Source: Nonlinearity; v. 28, n. 12, p. 4425-4434, DEC 2015.
Web of Science Citations: 1
Abstract

We consider a strictly convex billiard table with C-2 boundary, with the dynamics subjected to random perturbations. Each time the billiard ball hits the boundary its reflection angle has a random perturbation. The perturbation distribution corresponds to a situation where either the scale of the surface irregularities is smaller than but comparable to the diameter of the reflected object, or the billiard ball is not perfectly rigid. We prove that for a large class of such perturbations the resulting Markov chain is uniformly ergodic, although this is not true in general. (AU)

FAPESP's process: 11/16265-8 - Low dimensional dynamics
Grantee:Edson Vargas
Support Opportunities: Research Projects - Thematic Grants