Publications
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.
[2008-31] Finiteness of Walrasian equilibria .Edit
Counting Persistent Pitchforks. Vol V International Workshop on Real and Complex Singularities São Carlos SP Brazil: CRC press 2000.Edit
Construction of heteroclinic networks in R4. Nonlinearity. 2016;29:3677-3695.Edit
[2015-21] Switching in heteroclinic networks .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.
[2005-27] Hysteresis in a tatonnement process .
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.
[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).
[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
Computing the elasticity of a Krull monoid. Linear Algebra Appl.. 2001;336:191-200.Edit
On the number of factorizations of an element in an atomic monoid. Adv. in Appl. Math.. 2002;29:438-453.Edit