Publications
The geometry of Hopf and saddle-node bifurcations for waves of Hodgkin-Huxley type. In: Real and complex singularities. Vol 380. Cambridge Univ. Press, Cambridge; 2010. 2. p. 229-245p. (London Math. Soc. Lecture Note Ser.; vol 380).Edit
Partial symmetry breaking and heteroclinic tangencies. In: Progress and challenges in dynamical systems. Vol 54. Springer, Heidelberg; 2013. 2. p. 281-299p. Edit
Synchronization of coupled equations of Hodgkin-Huxley type. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal.. 2003;10:463-476.Edit
On Takens' Last Problem: tangencies and time averages near heteroclinic networks. Nonlinearity. 2017;30:1876-1910.Edit
An extension of the absolute reaction rate theory as applied to physiological rate processes. Ciência e Cultura. 1997;49(3):177-189.Edit
[2004-27] Invariants for bifurcations .Edit
The geometry of Hopf and saddle-node bifurcations for waves of Hodgkin-Huxley type. In: Real and complex singularities. Vol 380. Cambridge Univ. Press, Cambridge; 2010. 2. p. 229-245p. Edit
Instant chaos is chaos in slow motion. J. Math. Anal. Appl.. 1996;199:138-148.Edit
[2012-11] Global Generic Dynamics Close to Symmetry .Edit
Periodic solutions in an array of coupled FitzHugh-Nagumo cells. J. Math. Anal. Appl.. 2014;412:29-40.Edit
Confirming the diagnosis of tuberculosis in children in Northern Portugal. International Journal of Tuberculosis and Lung Disease. 2014;18:531-533+i.Edit
The generalized conjugacy problem for virtually free groups. Forum Math.. 2011;23:447-482.Edit
Bounding the gap between a free group (outer) automorphism and its inverse. Collect. Math.. 2016;67(3):329-346.Edit
COVARIANCE DENSITY-ESTIMATION FOR AUTOREGRESSIVE SPECTRAL MODELING OF POINT-PROCESSES. {BIOLOGICAL CYBERNETICS}. 1989;{61}:{195-203}.Edit
Deformation theory and finite simple quotients of triangle groups I. Journal of the European Mathematical Society. 2014;16(7):1349-1375.Edit
Deformation theory and finite simple quotients of triangle groups II. Groups, Geometry, and Dynamics. 2014;8(3):811-836.Edit
Classification of factorial generalized down-up algebras. J. Algebra. 2013;396:184-206.Edit
Automorphisms and derivations of $U_q(\mathfraksl^+_4)$. Journal of Pure and Applied Algebra. 2007;211:249-264.Edit
Automorphisms and derivations of $U_q(\germ s\germ l^+_4)$. J. Pure Appl. Algebra. 2007;211:249-264.Edit
Scaling Exponents in Heart Rate Variability. J. L. da Silva, F. Caeiro, I. Natário, and C. Braumann, eds ed. Springer 2013.
Enhancing scaling exponents in heart rate by means of fractional integration. In: {Computing in Cardiology}. Vol {40}.; 2013. {. {p. 433-436p. }.
Long Memory and Volatility in HRV: An ARFIMA-GARCH Approach. In: Murray A, editor. {36th Annual Computers in Cardiology Conference (CinC 2009)}. Vol {36}. {IEEE}; 2009. {. {p. 165-168p. }.Edit