Publications
Mode interactions with spherical symmetry. Internat. J. Bifur. Chaos Appl. Sci. Engrg.. 1994;4:885-904.
Phase precession through acceleration of local theta rhythm: A biophysical model for the interaction between place cells and local inhibitory neurons. Journal of Computational Neuroscience. 2012;33:141-150.
Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.Edit
Direct perturbations of aggregate excess demand. J. Math. Econom.. 2010;46:562-571.Edit
Mode interactions with symmetry. Dynam. Stability Systems. 1995;10:13-31.
Counting Persistent Pitchforks. Vol V International Workshop on Real and Complex Singularities São Carlos SP Brazil: CRC press 2000.Edit
The core-periphery model with three regions and more. PAPERS IN REGIONAL SCIENCE. 2012;91(2):401-418.Edit
[2008-31] Finiteness of Walrasian equilibria .Edit
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.
Numerical solution of a PDE system with non-linear steady state conditions that translates the air stripping pollutants removal. Vol Nonlinear Science and Complexity Springer Netherlands 2011.Edit
From singularity theory to finiteness of Walrasian equilibria. Math. Social Sci.. 2013;66:169-175.Edit
The disappearance of the limit cycle in a mode interaction problem with $Z_2$ symmetry. Nonlinearity. 1997;10:425-432.
Symmetry and bifurcation of periodic solutions in Neumann boundary value problems. Port. Math.. 2008;65:373-385.
[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
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