Publications
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On the dynamics near a homoclinic network to a bifocus: switching and horseshoes. International Journal of Bifurcation and Chaos. 2015.Edit
[2006-15] The dynamics of a conservative Hénon map .Edit
Dynamics of conservative Bykov cycles: tangencies, generalized Cocoon bifurcations and elliptic solutions. J. Differential Equations. 2016;261(2):1176-1202.Edit
An econophysics approach to the Portuguese Stock Index – PSI-20. Physica A. 2004;342:665-676.Edit
Ecstasy-induced cell death in cortical neuronal cultures is serotonin 2A-receptor-dependent and potentiated under hyperthermia. Neuroscience. 2006;139:1069-1081.Edit
Eigenvalue computations in the context of data-sparse approximations of integral operators. Journal of Computational and Applied Mathematics. 2013;237:171-181.Edit
empirical evaluation of ranking trees on some metalearning problems. aaai workshop - technical report. 2008;ws-08-09:85-90.Edit
Empirical evaluation of ranking trees on some metalearning problems. In: AAAI Workshop - Technical Report.; 2008. Edit
Enhancing scaling exponents in heart rate by means of fractional integration. In: {Computing in Cardiology}. Vol {40}.; 2013. {. {p. 433-436p. }.
[2005-22] Equivalence and semi-completude of foliations .
Equivalence and semi-completude of foliations. Nonlinear Analysis. Theory, Methods & Applications. 2006;64(8):1654-1665.
On the Equivalence of Automata for KAT-expressions. Vol 8493. Beckmann A, Csuhaj-Varjú E, Meer K, editors 2014.Edit
Erratum: ``Maps of the two-sphere at the boundary of chaos'' [Nonlinearity \bf 7 (1994), no. 4, 1251–1259; MR1284691 (95e:58107)]. Nonlinearity. 1999;12:443.Edit
Estimation of the extremal index function in case of asymptotically independent Markov chains and its application to stock market indices. Vol Recent Developments in Modeling and Applications in Statistics, Studies in Theoretical and Applied Statistics Springer 2013.Edit
Estimation of the tensile strength of UHPFRC layers based on non-destructive assessment of the fibre content and orientation. Cement and Concrete Composites. 2017;83:222-238.Edit
Estudo das alterações da autofluorescência corneana na diabetes Mellitus tipo I e tipo II. Vol XX 1996.Edit
Every numerical semigroup is one half of a symmetric numerical semigroup. Proc. Amer. Math. Soc.. 2008;136:475-477 (electronic).Edit
Every numerical semigroup is one half of infinitely many symmetric numerical semigroups. Comm. Algebra. 2008;36:2910-2916.Edit
Every positive integer is the Frobenius number of a numerical semigroup with three generators. Math. Scand.. 2004;94:5-12.Edit