Publications
Direct perturbations of aggregate excess demand. J. Math. Econom.. 2010;46:562-571.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
Mode interactions with spherical symmetry. Internat. J. Bifur. Chaos Appl. Sci. Engrg.. 1994;4:885-904.
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
The core-periphery model with three regions and more. PAPERS IN REGIONAL SCIENCE. 2012;91(2):401-418.Edit
Symmetry and bifurcation of periodic solutions in Neumann boundary value problems. Port. Math.. 2008;65:373-385.
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
[2005-27] Hysteresis in a tatonnement process .
Mode interactions with symmetry. Dynam. Stability Systems. 1995;10:13-31.
[2015-21] Switching in heteroclinic networks .Edit
A heteroclinic network in mode interaction with symmetry. Dyn. Syst.. 2010;25:359-396.Edit
[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
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
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