Publications
Extremal dichotomy for uniformly hyperbolic systems. Dyn. Syst.. 2015;30:383-403.Edit
Intersection and linking numbers in oriented matroids. Discrete Comput. Geom.. 2004;31:305-321.Edit
Complete set of invariants for a Bykov attractor. Regular and Chaotic Dynamics. 2018;23(3):227-247.Edit
Curved Pythagorean triangles. Vol 69 Bol. Soc. Port. Mat. 2013.Edit
Persistence of Bowen-Ruelle-Sinai measures. Discrete and Continuous Dynamical Systems. 2007;17(1):213-221.
A note on reversibility and Pell equations. Vol 75 SPM 2017.Edit
Prime links in some skew-polynomial and skew-Laurent rings. Comm. Algebra. 1997;25:1443-1469.
Entropy dimension of dynamical systems. Portugaliae Mathematica. 1997;54(1):19-40.
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.
The chord method. Vol Special Issue - Euler's tercentenary year Bol. Soc. Port. Mat. 2008.
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
Periodic points of Ruelle-expanding maps. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2 ):215-251 .
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
Quantitative recurrence for free semigroup actions. Nonlinearity. 2018;31(3):864-886.Edit
Commuting expanding dynamics. Portugaliae Mathematica. 1999;56(4):443-463.
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.
Generic area-preserving reversible diffeomorphisms. Nonlinearity. 2015;28:1695-1720.Edit
Dynamics of a quasi-quadratic map. Journal of Difference Equations and Applications. 2014;20 (1):36-48.Edit
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
A note on the Ergodic Theorem. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2):253-268.