Publications
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
Spiralling dynamics near heteroclinic networks. Phys. D. 2014;268:34-49.Edit
Attractors in complex networks. Chaos: An Interdisciplinary Journal of Nonlinear Science. 2017;27:103105.Edit
A tau method for nonlinear dynamical systems. Numerical Algorithms. 2013;62(4):583-600.
Repelling dynamics near a Bykov cycle. Journal of Dynamics and Differential Equations. 2013.
Neuronal connectivity inference from spike trains using an empirical probabilistic causality measure. BMC Neuroscience. 2009;10:P169.Edit
Persistent switching near a heteroclinic model for the geodynamo problem. Chaos, Solitons & Fractals . 2013;47 :73-86.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
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
Fundamental gaps in numerical semigroups. J. Pure Appl. Algebra. 2004;189:301-313.Edit
Systems of inequalities and numerical semigroups. J. London Math. Soc. (2). 2002;65:611-623.Edit
On full affine semigroups. J. Pure Appl. Algebra. 2000;149:295-303.Edit
On Cohen-Macaulay subsemigroups of $\bold N^2$. Comm. Algebra. 1998;26:2543-2558.Edit
Numerical semigroups having a Toms decomposition. Canad. Math. Bull.. 2008;51:134-139.Edit
Numerical semigroups with embedding dimension three. Arch. Math. (Basel). 2004;83:488-496.Edit
Proportionally modular Diophantine inequalities. J. Number Theory. 2003;103:281-294.Edit
Commutative ideal extensions of abelian groups. Semigroup Forum. 2001;62:311-316.Edit
Finitely generated commutative monoids Nova Science Publishers, Inc., Commack, NY 1999.Edit
Modular Diophantine inequalities and numerical semigroups. Pacific J. Math.. 2005;218:379-398.Edit
Arf numerical semigroups. J. Algebra. 2004;276:3-12.Edit
Presentations of finitely generated submonoids of finitely generated commutative monoids. Internat. J. Algebra Comput.. 2002;12:659-670.Edit
Reduced commutative monoids with two Archimedean components. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 2000;3:471-484.Edit
On Cohen-Macaulay and Gorenstein simplicial affine semigroups. Proc. Edinburgh Math. Soc. (2). 1998;41:517-537.Edit