Publications
Saturated numerical semigroups. Houston J. Math.. 2004;30:321-330 (electronic).Edit
On the structure of simplicial affine semigroups. Proc. Roy. Soc. Edinburgh Sect. A. 2000;130:1017-1028.Edit
On normal affine semigroups. Linear Algebra Appl.. 1999;286:175-186.Edit
Every numerical semigroup is one half of infinitely many symmetric numerical semigroups. Comm. Algebra. 2008;36:2910-2916.Edit
$k$-factorized elements in telescopic numerical semigroups. In: Arithmetical properties of commutative rings and monoids. Vol 241. Chapman & Hall/CRC, Boca Raton, FL; 2005. 2. p. 260-271p. (Lect. Notes Pure Appl. Math.; vol 241).Edit
Atomic commutative monoids and their elasticity. Semigroup Forum. 2004;68:64-86.Edit
Minimal presentations of full subsemigroups of $\bold N^2$. Rocky Mountain J. Math.. 2001;31:1417-1422.Edit
A Parallel Implementation of the Jacobi-Davidson Eigensolver for Unsymmetric Matrices. In: Palma JMLaginha, Daydé M, Marques O, Lopes JCorreia, editors. High Performance Computing for Computational Science – VECPAR 2010: 9th International conference, Berkeley, CA, USA, June 22-25, 2010, Revised Selected Papers. Vol 6449. Springer Berlin Heidelberg; 2011. 3. p. 380-393p. (Lecture Notes in Computer Science; vol 6449).Edit
Eigenvalue computations in the context of data-sparse approximations of integral operators. Journal of Computational and Applied Mathematics. 2013;237:171-181.Edit
Harnessing GPU Power from High-level Libraries: Eigenvalues of Integral Operators with SLEPc. Procedia Computer Science. 2013;18:2591-2594.Edit
[2011-22] Spiralling dynamics near heteroclinic networks .
Spiralling dynamics near heteroclinic networks. Phys. D. 2014;268:34-49.Edit
[2013-1] Repelling Dynamics near a Bykov cycle .Edit
Repelling dynamics near a Bykov cycle. Journal of Dynamics and Differential Equations. 2013.
Numerical solution of partial differential equations with the tau method. In: First Meeting on Numerical Methods for Partial Differential Equations (Coimbra, 1995). Vol 11. Univ. Coimbra, Coimbra; 1997. 1. p. 111-121p. (Textos Mat. Sér. B; vol 11).Edit
Attractors in complex networks. Chaos: An Interdisciplinary Journal of Nonlinear Science. 2017;27:103105.Edit
Persistent switching near a heteroclinic model for the geodynamo problem. Chaos, Solitons & Fractals . 2013;47 :73-86.Edit
A tau method for nonlinear dynamical systems. Numerical Algorithms. 2013;62(4):583-600.
Chaotic double cycling. Dyn. Syst.. 2011;26:199-233.Edit
On a heat kernel for the index Whittaker transform. Carpathian J. Math.. 2013;29:231-238.Edit
A convolution operator related to the generalized Mehler-Fock and Kontorovich-Lebedev transforms. Results Math.. 2013;63:511-528.Edit
Neuronal connectivity inference from spike trains using an empirical probabilistic causality measure. BMC Neuroscience. 2009;10:P169.Edit