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
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
Symmetry and bifurcation of periodic solutions in Neumann boundary value problems. Port. Math.. 2008;65:373-385.
The core-periphery model with three regions and more. PAPERS IN REGIONAL SCIENCE. 2012;91(2):401-418.Edit
Mode interactions with spherical symmetry. Internat. J. Bifur. Chaos Appl. Sci. Engrg.. 1994;4:885-904.
A heteroclinic network in mode interaction with symmetry. Dyn. Syst.. 2010;25:359-396.Edit
Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.Edit
Construction of heteroclinic networks in R4. Nonlinearity. 2016;29:3677-3695.Edit
[2015-21] Switching in heteroclinic networks .Edit
Mode interactions with symmetry. Dynam. Stability Systems. 1995;10:13-31.
[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).
Learning by replicator and best-response: the importance of being indifferent. Journal of Evolutionary Economics. In Press.
[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
Presentations of finitely generated cancellative commutative monoids and nonnegative solutions of systems of linear equations. Discrete Appl. Math.. 2006;154:1947-1959.Edit
Presentations of finitely generated cancellative monoids and natural solutions of linear systems of equations. In: Fifth Conference on Discrete Mathematics and Computer Science (Spanish). Vol 23. Univ. Valladolid, Secr. Publ. Intercamb. Ed., Valladolid; 2006. 2. p. 217-224p. (Ciencias (Valladolid); vol 23).Edit
Measuring primality in numerical semigroups with embedding dimension three. J. Algebra Appl.. 2016;15:1650007, 16.Edit
Computing the elasticity of a Krull monoid. Linear Algebra Appl.. 2001;336:191-200.Edit