Publications
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.
Convergence of p-adic series. Vol 72 Bol. Soc. Port. Mat. 2015.Edit
O método de Diofanto e a curva a^b = b^a SPM In Press.Edit
Imperfect friezes of integers. Vol 67 Bol. Soc. Port. Mat. 2012.
Bowen-Ruelle-Sinai measures for n-dimensional derived from Anosov diffeomorphisms. Ergodic Theory & Dynamical Systems. 1993;13:21-44.
Quantitative recurrence for free semigroup actions. Nonlinearity. 2018;31(3):864-886.Edit
Commuting expanding dynamics. Portugaliae Mathematica. 1999;56(4):443-463.
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.
On the Lyapunov spectrum of infinite dimensional random products of compact operators. Stochastics and Dynamics. 2008;8(4):1-19.
Down-up algebras and their representation theory. J. Algebra. 2000;228:286-310.Edit
Generic area-preserving reversible diffeomorphisms. Nonlinearity. 2015;28:1695-1720.Edit
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
Geometric orbits. Mathematical Intelligencer. 2012;34(2):56-62.Edit
First homoclinic tangencies on the boundary of Anosov diffeomorphisms. Discrete and Continuous Dynamical Systems. 1998;4(4):765-782.
Dynamics of a quasi-quadratic map. Journal of Difference Equations and Applications. 2014;20 (1):36-48.Edit
A variational principle for free semigroup actions. Advances in Mathematics. 2018;334:450-487.Edit
A note on the Ergodic Theorem. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2):253-268.
Ring theoretical properties of affine cellular algebras. Journal of Algebra. 2017;476:494-518.Edit
Roads for exotic wheels. Vol 65 Bol. Soc. Port. Mat. 2011.Edit
(Semi)continuity of the entropy of Sinai probability measures for partially hyperbolic diffeomorphisms. Journal of Mathematical Analysis and Applications. 2016;434(2):1123-1137.
On the Azumaya locus of some crossed products. Comm. Algebra. 2005;33:51-72.
Generic properties of C^r maps of the the interval, r >= 2. In: European Conference on Iteration Theory . Vol ECIT'91. World Scientific; 1992. 3. p. 39-51p.