Publications
Limit cycles for a class of Z_2n-equivariant systems without infinite equilibria. Electronic Journal of Differential Equations. 2016;122:1-12.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. (London Math. Soc. Lecture Note Ser.; vol 380).Edit
On Takens' Last Problem: tangencies and time averages near heteroclinic networks. Nonlinearity. 2017;30:1876-1910.Edit
Synchronization of coupled equations of Hodgkin-Huxley type. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal.. 2003;10:463-476.Edit
An extension of the absolute reaction rate theory as applied to physiological rate processes. Ciência e Cultura. 1997;49(3):177-189.Edit
[2012-11] Global Generic Dynamics Close to Symmetry .Edit
Partial symmetry breaking and heteroclinic tangencies. In: Progress and challenges in dynamical systems. Vol 54. Springer, Heidelberg; 2013. 2. p. 281-299p. Edit
Global bifurcations close to symmetry. Journal of Mathematical Analysis and Applications. 2016;444(1):648-671.Edit
Instant chaos is chaos in slow motion. J. Math. Anal. Appl.. 1996;199:138-148.Edit
[2005-11] Projected Wallpaper Patterns .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
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
Classification of factorial generalized down-up algebras. J. Algebra. 2013;396:184-206.Edit
Modeling Volatility in Heat Rate Variability. In: 38Th Annual International Conference of the Ieee Engineering in Medicine and Biology Society, Embc 2016, Orlando, Fl, Usa, August 16-20, 2016. Ieee; 2016. 3. p. 3582-3585p. (Embc).
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