Publications
(Semi)continuity of the entropy of Sinai probability measures for partially hyperbolic diffeomorphisms. Journal of Mathematical Analysis and Applications. 2016;434(2):1123-1137.
Intersection and linking numbers in oriented matroids. Discrete Comput. Geom.. 2004;31:305-321.Edit
Curved Pythagorean triangles. Vol 69 Bol. Soc. Port. Mat. 2013.Edit
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.
Persistence of Bowen-Ruelle-Sinai measures. Discrete and Continuous Dynamical Systems. 2007;17(1):213-221.
Prime links in some skew-polynomial and skew-Laurent rings. Comm. Algebra. 1997;25:1443-1469.
Invariant probability measures and non-wandering sets for impulsive semiflows. Vol 157 -Journal of Statistical Physics, 1097-1113, Springer 2014.
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.
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
Periodic points of Ruelle-expanding maps. Qualitative Theory of Dynamical Systems. 2014;Volume 13(Issue 2 ):215-251 .
The C^1 interior of zero entropy diffeomorphisms. Portugaliae Mathematica. 1996;53(1):89-95.
On the Lyapunov spectrum of infinite dimensional random products of compact operators. Stochastics and Dynamics. 2008;8(4):1-19.
Down-up algebras and their representation theory. J. Algebra. 2000;228:286-310.Edit
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
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.
A note on reversibility and Pell equations. Vol 75 SPM 2017.Edit
Dynamics of a quasi-quadratic map. Journal of Difference Equations and Applications. 2014;20 (1):36-48.Edit