Publications
[2004-28] Symmetries of projected wallpaper patterns .Edit
Partial symmetry breaking and heteroclinic tangencies. In: Progress and challenges in dynamical systems. Vol 54. Springer, Heidelberg; 2013. 2. p. 281-299p. Edit
On Takens Last Problem: tangencies and time averages near heteroclinic networks. Nonlinearity . 2017;30(5):1876-1910.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
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
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
[2004-27] Invariants for bifurcations .Edit
Instant chaos is chaos in slow motion. J. Math. Anal. Appl.. 1996;199:138-148.Edit
Confirming the diagnosis of tuberculosis in children in Northern Portugal. International Journal of Tuberculosis and Lung Disease. 2014;18:531-533+i.Edit
Bounding the gap between a free group (outer) automorphism and its inverse. Collect. Math.. 2016;67(3):329-346.Edit
The generalized conjugacy problem for virtually free groups. Forum Math.. 2011;23:447-482.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
Beyond long memory in heart rate variability: An approach based on fractionally integrated autoregressive moving average time series models with conditional heteroscedasticity. Chaos. 2013;23.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. }.