Publications
Fundamental gaps in numerical semigroups with respect to their multiplicity. Acta Math. Sin. (Engl. Ser.). 2004;20:629-646.Edit
Nonnegative elements of subgroups of $\bf Z^n$. Linear Algebra Appl.. 1998;270:351-357.Edit
Ideals of finitely generated commutative monoids. Semigroup Forum. 2003;66:305-322.Edit
How to check if a finitely generated commutative monoid is a principal ideal commutative monoid. In: Proceedings of the 2000 International Symposium on Symbolic and Algebraic Computation (St. Andrews). ACM, New York; 2000. 2. p. 288-291p. (electronic).Edit
Numerical semigroups with a monotonic Apéry set. Czechoslovak Math. J.. 2005;55(130):755-772.Edit
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
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
Spiralling dynamics near a heteroclinic network. Physica D. 2014.Edit
Chaotic double cycling. Dyn. Syst.. 2011;26:199-233.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
Persistent switching near a heteroclinic model for the geodynamo problem. Chaos, Solitons & Fractals . 2013;47 :73-86.Edit
Repelling dynamics near a Bykov cycle. Journal of Dynamics and Differential Equations. 2013.
[2011-22] Spiralling dynamics near heteroclinic networks .
A chaotic carousel: dynamics near heteroclinic networks. Bol. Soc. Port. Mat.. 2010:103-109.Edit
[2013-1] Repelling Dynamics near a Bykov cycle .Edit