Publications
From singularity theory to finiteness of Walrasian equilibria. Math. Social Sci.. 2013;66:169-175.Edit
Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.Edit
Symmetry and bifurcation of periodic solutions in Neumann boundary value problems. Port. Math.. 2008;65:373-385.
Switching in heteroclinic networks. SIAM Journal on Applied Dynamical Systems (SIADS). 2016;15(2):1085-1103.Edit
[2015-12] Construction of heteroclinic networks in R4 .Edit
Counting persistent pitchforks. In: Real and complex singularities (São Carlos, 1998). Vol 412. Chapman & Hall/CRC, Boca Raton, FL; 2000. 2. p. 215-222p. (Chapman & Hall/CRC Res. Notes Math.; vol 412).
Mode interactions with symmetry. Dynam. Stability Systems. 1995;10:13-31.
A heteroclinic network in mode interaction with symmetry. Dyn. Syst.. 2010;25:359-396.Edit
Motivação e inclusão para o sucesso numa unidade curricular basilar. Educação, Sociedade & Culturas. 2016;46:35-50.
The disappearance of the limit cycle in a mode interaction problem with $Z_2$ symmetry. Nonlinearity. 1997;10:425-432.
The core-periphery model with three regions and more. PAPERS IN REGIONAL SCIENCE. 2012;91(2):401-418.Edit
[2005-27] Hysteresis in a tatonnement process .
Intrinsic complete transversals and the recognition of equivariant bifurcations. In: E{QUADIFF} 2003. World Sci. Publ., Hackensack, NJ; 2005. 4. p. 458-463p. Edit
[2008-35] Graded geometry and Poisson reduction .Edit
Routing and assignment of clients of garden maintenance services. Vol Livro de atas do XVI Congresso da Associação Portuguesa de Investigação Operacional. Instituto Politécnico de Bragança ed. Portugal, Bragança: Instituto Politécnico de Bragança 2013.Edit
A Routing/Assignment Problem in Garden Maintenance Services. Vol Operational Research. CIM Series in Mathematical Sciences, vol 4 Cham: Springer 2015.Edit
On the delta set and the Betti elements of a BF-monoid. Arab. J. Math. (Springer). 2012;1:53-61.Edit
The catenary and tame degree in finitely generated commutative cancellative monoids. Manuscripta Math.. 2006;120:253-264.Edit
Measuring primality in numerical semigroups with embedding dimension three. J. Algebra Appl.. 2016;15:1650007, 16.Edit
Elements in a numerical semigroup with factorizations of the same length. Canad. Math. Bull.. 2011;54:39-43.Edit