Publications
An extension of the absolute reaction rate theory as applied to physiological rate processes. Ciência e Cultura. 1997;49(3):177-189.Edit
Global generic dynamics close to symmetry. J. Differential Equations. 2012;253:2527-2557.Edit
[2004-27] Invariants for bifurcations .Edit
Instant chaos is chaos in slow motion. J. Math. Anal. Appl.. 1996;199:138-148.Edit
Global bifurcations close to symmetry. Journal of Mathematical Analysis and Applications. 2016;444(1):648-671.Edit
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
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.
Partial symmetry breaking and heteroclinic tangencies. In: Progress and challenges in dynamical systems. Vol 54. Springer, Heidelberg; 2013. 2. p. 281-299p. Edit
Invariants for bifurcations. Houston J. Math.. 2006;32:445-458.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
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
A third sector in the core-periphery model: non-tradable goods. ANNALS OF REGIONAL SCIENCE. 2013;50(1):71-108.Edit