Publications
[2015-10] Global bifurcations close to symmetry .Edit
Symmetries of projected wallpaper patterns. Math. Proc. Cambridge Philos. Soc.. 2006;141:421-441.Edit
The Arrhenius plot of a physiological rate process is never linear. Ciência e Cultura. 1991;43(5):363-369.Edit
[2012-11] Global Generic Dynamics Close to Symmetry .Edit
Degenerate Hopf bifurcation and nerve impulse. II. SIAM J. Math. Anal.. 1989;20:1-12.
[2004-28] Symmetries of projected wallpaper patterns .Edit
Loss of synchronization in partially coupled Hodgkin-Huxley equations. Bull. Math. Biol.. 2004;66:539-557.Edit
Periodic solutions in an array of coupled FitzHugh-Nagumo cells. J. Math. Anal. Appl.. 2014;412:29-40.Edit
Projected wallpaper patterns. In: Real and complex singularities. Birkhäuser, Basel; 2007. 2. p. 209-217p. (Trends Math.).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 $U_q(\germ s\germ l^+_4)$. 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
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