Publications
Double Ore extensions versus iterated Ore extensions. Comm. Algebra. 2011;39:2838-2848.Edit
Partial skew group rings over polycyclic by finite groups. Algebr. Represent. Theory. 2011;14:449-462.Edit
Semigroup actions of expanding maps. Journal of Statistical Physics. 2017;166(1):114-136.Edit
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
The C^1 interior of zero entropy diffeomorphisms. Portugaliae Mathematica. 1996;53(1):89-95.
Chaotic Newton's sequences. The Mathematical Intelligencer. 2002;24(1):1-5.
Complete set of invariants for a Bykov attractor. Regular and Chaotic Dynamics. 2018;23(3):227-247.Edit
Dynamics of a playing card trick. Vol 70 Bol. Soc. Port. Mat. 2014.Edit
Extremal dichotomy for uniformly hyperbolic systems. Dyn. Syst.. 2015;30:383-403.Edit
Sharkowskii order for non-wandering points. Portugaliae Mathematica. 2012;69(2):159-165.Edit
Movement and Shape. Vol 71 Bol. Soc. Port. Mat. 2014.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
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.
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.