Publications
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
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.
Dynamics of a quasi-quadratic map. Journal of Difference Equations and Applications. 2014;20 (1):36-48.Edit
A variational principle for free semigroup actions. Advances in Mathematics. 2018;334:450-487.Edit
A note on the Ergodic Theorem. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2):253-268.
Roads for exotic wheels. Vol 65 Bol. Soc. Port. Mat. 2011.Edit
Ring theoretical properties of affine cellular algebras. Journal of Algebra. 2017;476:494-518.Edit
On the Azumaya locus of some crossed products. Comm. Algebra. 2005;33:51-72.
(Semi)continuity of the entropy of Sinai probability measures for partially hyperbolic diffeomorphisms. Journal of Mathematical Analysis and Applications. 2016;434(2):1123-1137.
Generic properties of C^r maps of the the interval, r >= 2. In: European Conference on Iteration Theory . Vol ECIT'91. World Scientific; 1992. 3. p. 39-51p.
Playing in the limit. Vol 69 Bol. Soc. Port. Mat. 2013.Edit
Contributions to a rigidity conjecture. Acta Applicandae Mathematicae. 1998;53:265-295.
Invariant probability measures and non-wandering sets for impulsive semiflows. Vol 157 -Journal of Statistical Physics, 1097-1113, Springer 2014.
Intermediate value property vs. continuity. Vol 65 Bol. Soc. Port. Mat. 2011.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
Double Ore extensions versus iterated Ore extensions. Comm. Algebra. 2011;39:2838-2848.Edit
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.
Non-uniformly hyperbolicity for infinite dimensional cocycles. Stochastics and Dynamics. 2013;13(No. 3):1-17.
Chaotic Newton's sequences. The Mathematical Intelligencer. 2002;24(1):1-5.