Publications
A feedforward model for the formation of a grid field where spatial information is provided solely from place cells. Biological Cybernetics. 2014;108:133-143.
From singularity theory to finiteness of Walrasian equilibria. Math. Social Sci.. 2013;66:169-175.Edit
Switching in heteroclinic networks. SIAM Journal on Applied Dynamical Systems (SIADS). 2016;15(2):1085-1103.Edit
Counting Persistent Pitchforks. Vol V International Workshop on Real and Complex Singularities São Carlos SP Brazil: CRC press 2000.Edit
Symmetry and bifurcation of periodic solutions in Neumann boundary value problems. Port. Math.. 2008;65:373-385.
Mode interactions with spherical symmetry. Internat. J. Bifur. Chaos Appl. Sci. Engrg.. 1994;4:885-904.
[2005-27] Hysteresis in a tatonnement process .
Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.Edit
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.
Mode interactions with symmetry. Dynam. Stability Systems. 1995;10:13-31.
[2008-31] Finiteness of Walrasian equilibria .Edit
Stability in simple heteroclinic networks in R4. Dynamical Systems: an International Journal. 2014;29(4):451-481.Edit
The disappearance of the limit cycle in a mode interaction problem with $Z_2$ symmetry. Nonlinearity. 1997;10:425-432.
[2008-35] Graded geometry and Poisson reduction .Edit
A Routing/Assignment Problem in Garden Maintenance Services. Vol Operational Research. CIM Series in Mathematical Sciences, vol 4 Cham: Springer 2015.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
The catenary and tame degree in finitely generated commutative cancellative monoids. Manuscripta Math.. 2006;120:253-264.Edit
Elements in a numerical semigroup with factorizations of the same length. Canad. Math. Bull.. 2011;54:39-43.Edit
The catenary and tame degree of numerical monoids. Forum Math.. 2009;21:117-129.Edit
Presentations of finitely generated cancellative commutative monoids and nonnegative solutions of systems of linear equations. Discrete Appl. Math.. 2006;154:1947-1959.Edit