Publications
Stability of equilibria in equations of Hodgkin-Huxley type. In: Real and complex singularities. Vol 354. Amer. Math. Soc., Providence, RI; 2004. 1. p. 137-143p. (Contemp. Math.; vol 354).Edit
[2005-11] Projected Wallpaper Patterns .Edit
Periodic solutions in an array of coupled FitzHugh-Nagumo cells. J. Math. Anal. Appl.. 2014;412:29-40.Edit
Note on the unfolding of degenerate Hopf bifurcation germs. J. Differential Equations. 1985;57:436-439.
Dense heteroclinic tangencies near a Bykov cycle. Journal of Differential Equations. 2015; 259(11):5875-5902.
[2012-11] Global Generic Dynamics Close to Symmetry .Edit
Invariants for bifurcations. Houston J. Math.. 2006;32:445-458.Edit
Partial symmetry breaking and heteroclinic tangencies. In: Progress and challenges in dynamical systems. Vol 54. Springer, Heidelberg; 2013. 2. p. 281-299p. Edit
Singularities of equations of Hodgkin-Huxley type. Dynam. Stability Systems. 1996;11:91-108.Edit
[2015-23] Limit cycles for a class of $\mathbb{Z}_{2n}-$equivariant systems without infinite equilibria .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 II. Groups, Geometry, and Dynamics. 2014;8(3):811-836.Edit
Deformation theory and finite simple quotients of triangle groups I. Journal of the European Mathematical Society. 2014;16(7):1349-1375.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
Automorphisms and derivations of $U_q(\mathfraksl^+_4)$. Journal of Pure and Applied Algebra. 2007;211:249-264.Edit
The core-periphery model with asymmetric inter-regional and intra-regional trade costs . Portuguese Economic Journal. 2009:37-44.Edit
Long-Range Dependence in Heart Rate Variability Data: ARFIMA Modelling vs Detrended Fluctuation Analysis. In: {34th Annual Conference on Computers in Cardiology}. Vol {34}. {IEEE}; 2007. {. {p. 21-24p. }.Edit
Modelling long-term heart rate variability: an ARFIMA approach. {BIOMEDIZINISCHE TECHNIK}. 2006;{51}:{215-219}.Edit