Publications
Extremal dichotomy for uniformly hyperbolic systems. Dyn. Syst.. 2015;30:383-403.Edit
Movement and Shape. Vol 71 Bol. Soc. Port. Mat. 2014.Edit
Sharkowskii order for non-wandering points. Portugaliae Mathematica. 2012;69(2):159-165.Edit
Injective modules over down-up algebras. Glasg. Math. J.. 2010;52:53-59.Edit
Monolithic modules over Noetherian rings. Glasg. Math. J.. 2011;53:683-692.Edit
A note on reversibility and Pell equations. Vol 75 SPM 2017.Edit
Curved Pythagorean triangles. Vol 69 Bol. Soc. Port. Mat. 2013.Edit
Entropy dimension of dynamical systems. Portugaliae Mathematica. 1997;54(1):19-40.
Persistence of Bowen-Ruelle-Sinai measures. Discrete and Continuous Dynamical Systems. 2007;17(1):213-221.
O método de Diofanto e a curva a^b = b^a SPM In Press.Edit
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
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
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.
On the Lyapunov spectrum of infinite dimensional random products of compact operators. Stochastics and Dynamics. 2008;8(4):1-19.
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
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
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.