Publications
Injective modules over down-up algebras. Glasg. Math. J.. 2010;52:53-59.Edit
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 .
Double Ore extensions versus iterated Ore extensions. Comm. Algebra. 2011;39:2838-2848.Edit
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.
The C^1 interior of zero entropy diffeomorphisms. Portugaliae Mathematica. 1996;53(1):89-95.
Down-up algebras and their representation theory. J. Algebra. 2000;228:286-310.Edit
Geometric orbits. Mathematical Intelligencer. 2012;34(2):56-62.Edit
The chord method. Vol Special Issue - Euler's tercentenary year Bol. Soc. Port. Mat. 2008.
Extremal dichotomy for uniformly hyperbolic systems. Dyn. Syst.. 2015;30:383-403.Edit
Complete set of invariants for a Bykov attractor. Regular and Chaotic Dynamics. 2018;23(3):227-247.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 note on the Ergodic Theorem. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2):253-268.
A note on reversibility and Pell equations. Vol 75 SPM 2017.Edit
Roads for exotic wheels. Vol 65 Bol. Soc. Port. Mat. 2011.Edit
Entropy dimension of dynamical systems. Portugaliae Mathematica. 1997;54(1):19-40.
On the Azumaya locus of some crossed products. Comm. Algebra. 2005;33:51-72.