Publications
(Semi)continuity of the entropy of Sinai probability measures for partially hyperbolic diffeomorphisms. Journal of Mathematical Analysis and Applications. 2016;434(2):1123-1137.
Persistence of Bowen-Ruelle-Sinai measures. Discrete and Continuous Dynamical Systems. 2007;17(1):213-221.
Prime links in some skew-polynomial and skew-Laurent rings. Comm. Algebra. 1997;25:1443-1469.
Imperfect friezes of integers. Vol 67 Bol. Soc. Port. Mat. 2012.
Invariant probability measures and non-wandering sets for impulsive semiflows. Vol 157 -Journal of Statistical Physics, 1097-1113, Springer 2014.
Bowen-Ruelle-Sinai measures for n-dimensional derived from Anosov diffeomorphisms. Ergodic Theory & Dynamical Systems. 1993;13:21-44.
Periodic points of Ruelle-expanding maps. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2 ):215-251 .
The chord method. Vol Special Issue - Euler's tercentenary year Bol. Soc. Port. Mat. 2008.
Commuting expanding dynamics. Portugaliae Mathematica. 1999;56(4):443-463.
Semigroup actions of expanding maps. Journal of Statistical Physics. 2017;166(1):114-136.Edit
On the Lyapunov spectrum of infinite dimensional random products of compact operators. Stochastics and Dynamics. 2008;8(4):1-19.
Double Ore extensions versus iterated Ore extensions. Comm. Algebra. 2011;39:2838-2848.Edit
Down-up algebras and their representation theory. J. Algebra. 2000;228:286-310.Edit
Geometric orbits. Mathematical Intelligencer. 2012;34(2):56-62.Edit
Extremal dichotomy for uniformly hyperbolic systems. Dyn. Syst.. 2015;30:383-403.Edit
First homoclinic tangencies on the boundary of Anosov diffeomorphisms. Discrete and Continuous Dynamical Systems. 1998;4(4):765-782.
Complete set of invariants for a Bykov attractor. Regular and Chaotic Dynamics. 2018;23(3):227-247.Edit
A note on the Ergodic Theorem. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2):253-268.
Dynamics of a quasi-quadratic map. Journal of Difference Equations and Applications. 2014;20 (1):36-48.Edit
Ring theoretical properties of affine cellular algebras. Journal of Algebra. 2017;476:494-518.Edit
A note on reversibility and Pell equations. Vol 75 SPM 2017.Edit
Roads for exotic wheels. Vol 65 Bol. Soc. Port. Mat. 2011.Edit
On the Azumaya locus of some crossed products. Comm. Algebra. 2005;33:51-72.