Silva PV, Steinberg B. A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit

[2014-14] Araújo V, Silva PV. Geometric characterizations of virtually free groups .Edit

Araújo V, Silva PV. Geometric characterizations of virtually free groups. J. Algebra Appl.. 2017;16(9):1750180.Edit

[2012-16] Silva PV. Groups and automata: a perfect match .

Silva PV. Groups and automata: a perfect match. J. Automata Lang. Combin.. 2012;17(2-4):277-292.

[2010-29] Bartholdi L, Silva PV. Groups defined by automata .Edit

Leite A., Silva M., Rocha AP. Heart rate variability analysis in healthy subjects, patients suffering from congestive heart failure and heart transplanted patients. Motricidade. 2013;9:54-63.Edit

Luís A, Santos AS, Dias C, Almeida R, Rocha AP. Heart Rate Variability during Plateau Waves of Intracranial Pressure: A Pilot Descriptive Study. In: 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC’15), . Vol Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Italy, Milan: IEEE; 2015. 6. p. 6142-6145p. Edit

Silva MJ, Pinheiro R, Almeida R, Cunha F, Ribeiro A, Rocha AP, et al. Heart Rate Variability in Children Submitted to Surgery. Journal of Anesthesia & Clinical Research. 2016;7.Edit

Dias A., Dionne B., Stewart I.. Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.Edit

Pinto CM, Rocha D, Santos CP. Hexapod robots: new CPG model for generation of trajectories. JNAIAM. J. Numer. Anal. Ind. Appl. Math.. 2012;7:15-26.Edit

Matos V., Marchesin D.. High Amplitude Solutions for Small Data in Pairs of Conservation Laws that Change Type. Benzoni-Gavage S, Serre D, editors Springer Berlin Heidelberg 2008.Edit

Stewart I., Dias A. Hilbert Series for Equivariant Mappings Restricted to Invariant Hyperplanes. Journal of Pure and Applied Algebra. 2000;151:89-106.Edit

Estrada MF, de Sá CC, Queiró JF, Silva MC, Costa MJ. História da Matemática. Vol 1. Universidade Aberta ed. Lisboa : Universidade Aberta 2000.Edit

Reina S, Silva C, Gaio A., Correia A., Duarte R. HIV screening in tuberculosis patients, in the Northern Region of Portugal. The International Journal of Tuberculosis and Lung Disease. 2015;19(12).Edit

Araújo V, Silva PV. Holder conditions for endomorphisms of hyperbolic groups. Comm. Algebra. 2016;44(10):4483-4503.Edit

Silva PV. The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.

Silva PV. The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.

[2007-8] Antoneli F, S.Dias AP, Paiva RC. Hopf Bifurcation in Coupled Cell Networks with Interior Symmetries .Edit

[2014-29] Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups .Edit

[2014-29] Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups .Edit

Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit

Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit

Almeida J, Silva PV. On the hyperdecidability of semidirect products of pseudovarieties. Comm. Algebra. 1998;26:4065-4077.Edit

Rito C, Sanchez MM. Hyperelliptic surfaces with $K^2 < 4\chi - 6$. Osaka Journal of Mathematics. 2015;52(4):929-947.Edit