Publications
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
A third sector in the core-periphery model: non-tradable goods. ANNALS OF REGIONAL SCIENCE. 2013;50(1):71-108.Edit
Heart rate variability analysis in healthy subjects, patients suffering from congestive heart failure and heart transplanted patients. Motricidade. 2013;9:54-63.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
The core-periphery model with asymmetric inter-regional and intra-regional trade costs . Portuguese Economic Journal. 2009:37-44.Edit
Validation of very large data sets clustering by means of a nonparametric linear criterion. In: Classification, clustering, and data analysis (Cracow, 2002). Springer, Berlin; 2002. 1. p. 147-157p. (Stud. Classification Data Anal. Knowledge Organ.).Edit
Methodological developments in decision trees. An application to protein secondary structure prediction. Diday E., Lechevallier Y., Opitz O., editors 1996.Edit
methodological developments in decision trees. an application to protein secondary structure prediction. ordinal and symbolic data analysis. 1996:179-188.Edit
A rigid triple of conjugacy classes in G_2. Journal of Group Theory. 2011;14(1):31-35.Edit
Analysis of the mechanisms underlying windup using a detailed biophysical model of WDR neurons. BMC neuroscience. 2010;11:O14.Edit
Numerical study of substrate assimilation by a microorganism exposed to fluctuating concentration. Chemical Engineering Science. 2012;81:8-19.Edit
Boundary crisis for degenerate singular cycles. Nonlinearity . 2017;30(6):2211-2245.Edit
Generalized coordinates on the phase space of Yang-Mills theory. Classical Quantum Gravity. 1995;12:1191-1198.Edit
Complexification of gauge theories. J. Geom. Phys.. 1996;18:1-24.Edit
Symplectic reduction via complex group actions. In: Constraint theory and quantization methods (Montepulciano, 1993). World Sci. Publ., River Edge, NJ; 1994. 2. p. 291-304p. Edit
[2006-38] Idempotent submodules .
Differential smoothness of skew polynomial rings. Journal of pure and applied Algebra. 2018;(222 no.9):2413-2426.Edit
On projective modules with a semilocal endomorphism ring. Izv. Vyssh. Uchebn. Zaved. Mat.. 2002:23-29.Edit
Fleury's spanning dimension and chain conditions on non-essential elements in modular lattices. Colloq. Math.. 2011;124:133-144.Edit