Publications
On the structure of Cohen-Macaulay simplicial affine semigroups. Comm. Algebra. 1999;27:511-518.Edit
Every positive integer is the Frobenius number of a numerical semigroup with three generators. Math. Scand.. 2004;94:5-12.Edit
Presentations for subsemigroups of finitely generated commutative semigroups. Israel J. Math.. 1999;113:269-283.Edit
The set of solutions of a proportionally modular Diophantine inequality. J. Number Theory. 2008;128:453-467.Edit
On numerical semigroups with high embedding dimension. J. Algebra. 1998;203:567-578.Edit
The oversemigroups of a numerical semigroup. Semigroup Forum. 2003;67:145-158.Edit
Correction to: ``Modular Diophantine inequalities and numerical semigroups'' [Pacific J. Math. \bf 218 (2005), no. 2, 379–398; \refcno 2218353]. Pacific J. Math.. 2005;220:199.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
Harnessing GPU Power from High-level Libraries: Eigenvalues of Integral Operators with SLEPc. Procedia Computer Science. 2013;18:2591-2594.Edit
Eigenvalue computations in the context of data-sparse approximations of integral operators. Journal of Computational and Applied Mathematics. 2013;237:171-181.Edit
[2013-1] Repelling Dynamics near a Bykov cycle .Edit
Operational calculus for Bessel's fractional equation. In: Advances in harmonic analysis and operator theory. Vol 229. Birkhäuser/Springer Basel AG, Basel; 2013. 3. p. 357-370p. (Oper. Theory Adv. Appl.; vol 229).Edit
Three Dimensional Flows: From Hyperbolicity to Quasi-Stochasticity. In: Dynamics, Games and Science. Vol Dynamics, Games and Science, . Lisbon, Portugal: Springer ; 2015. 5. p. 573-591p. Edit
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
[2009-46] Chaotic Double Cycling .
A tau method for nonlinear dynamical systems. Numerical Algorithms. 2013;62(4):583-600.
Spiralling dynamics near heteroclinic networks. Phys. D. 2014;268:34-49.Edit
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
On a heat kernel for the index Whittaker transform. Carpathian J. Math.. 2013;29:231-238.Edit