Publications
The C^1 interior of zero entropy diffeomorphisms. Portugaliae Mathematica. 1996;53(1):89-95.
Non-uniformly hyperbolicity for infinite dimensional cocycles. Stochastics and Dynamics. 2013;13(No. 3):1-17.
Injective Hulls of Simple Modules over Differential Operator Rings. Communications in Algebra. 2015;2015(10):4221-4230.Edit
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
Chaotic Newton's sequences. The Mathematical Intelligencer. 2002;24(1):1-5.
Generic area-preserving reversible diffeomorphisms. Nonlinearity. 2015;28:1695-1720.Edit
Dynamics of a playing card trick. Vol 70 Bol. Soc. Port. Mat. 2014.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
A variational principle for free semigroup actions. Advances in Mathematics. 2018;334:450-487.Edit
Monolithic modules over Noetherian rings. Glasg. Math. J.. 2011;53:683-692.Edit
Intersection and linking numbers in oriented matroids. Discrete Comput. Geom.. 2004;31:305-321.Edit
Entropy dimension of dynamical systems. Portugaliae Mathematica. 1997;54(1):19-40.
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.
(Semi)continuity of the entropy of Sinai probability measures for partially hyperbolic diffeomorphisms. Journal of Mathematical Analysis and Applications. 2016;434(2):1123-1137.
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.
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 .