Publications
The C^1 interior of zero entropy diffeomorphisms. Portugaliae Mathematica. 1996;53(1):89-95.
On $C^1$-robust transitivity of volume-preserving flows. J. Differential Equations. 2008;245:3127-3143.
Can silicosis explain it all? Revista Portuguesa de Pneumologia (English Edition). 2016;22(6):358-360.Edit
A canonical directly infinite ring. Czechoslovak Math. J.. 2001;51(126):545-560.Edit
The catenary and tame degree in finitely generated commutative cancellative monoids. Manuscripta Math.. 2006;120:253-264.Edit
The catenary and tame degree of numerical monoids. Forum Math.. 2009;21:117-129.Edit
The Cauchy problem for a short wave equation. Electron. J. Diff. Eqns.. 2009;2009(8):1-9.Edit
A central closure construction for certain algebra extensions. Applications to Hopf actions. J. Pure Appl. Algebra. 2005;198:297-316.Edit
Central factorials under the Kontorovich-Lebedev transform of polynomials. Integral Transforms Spec. Funct.. 2013;24:217-238.
Central partition for a partition-distance and strong pattern graph. REVSTAT. 2004;2:127-143.Edit
Central pattern generators for bipedal locomotion. J. Math. Biol.. 2006;53:474-489.Edit
The centralizer of $C^r$-generic diffeomorphisms at hyperbolic basic sets is trivial. Proc. Amer. Math. Soc.. 2018;146:247-260.Edit
Centralizers and entropy. Bol. Soc. Brasil. Mat. (N.S.). 1994;25:213-222.
Certain identities, connection and explicit formulas for the Bernoulli and Euler numbers and the Riemann zeta-values. Analysis (Berlin). 2015;35:59-71.
Certain isometries related to the bilateral Laplace transform. Math. Model. Anal.. 2006;11:331-346.
Chain and distributive coalgebras. J. Pure Appl. Algebra. 2007;211:581-595.Edit
A chaotic carousel: dynamics near heteroclinic networks. Bol. Soc. Port. Mat.. 2010:103-109.Edit
Chaotic double cycling. Dyn. Syst.. 2011;26:199-233.Edit
Chaotic Newton's sequences. The Mathematical Intelligencer. 2002;24(1):1-5.
Chaotic switching in a two-person game. Physica D. 2010;239:1598-1609.
Characterization of group radicals with an application to Mal\cprime cev products. Illinois J. Math.. 2010;54:199-221.Edit
Chebyshev polynomials over finite fields and reversibility of σ-automata on square grids. Theoret. Comput. Sci.. 2004;320:465-483.Edit
Chebyshev polynomials via quadratic and cubic decompositions of the canonical sequence. Integral Transforms Spec. Funct.. 2015;Volume 26(Issue 12):956-970.Edit
Chen integrals, generalized loops and loop calculus. Internat. J. Modern Phys. A. 1994;9:4511-4548.