Silva PV, Weil P. Automorphic orbits in free groups: words versus subgroups. Internat. J. Algebra Comput.. 2010;20:561-590.Edit

Silva PV, Soler-Escrivà X, Ventura E. Finite automata for Schreier graphs of virtually free groups. J. Group Theory. 2016;19:25-54.Edit

[2015-26] Silva MC, Magalhães ML. Vida e Obra de Luis Inacio Woodhouse (1857-1927) .Edit

Silva PV. Normal-convex embeddings of inverse semigroups. Glasgow Math. J.. 1993;35:115-121.

[2017-28] Silva PV, Zakharov A. On finitely generated submonoids of free groups .

Silva MC. Equações no «Libro de Algebra» de Pedro Nunes. Vol 68 APM 2002.Edit

Silva P., Aguiar P, Duarte R, Davids K, Araújo D, Garganta J. Effects of pitch size and skill level on tactical behaviours of Association Football players during small-sided and conditioned games. International Journal of Sports Science & Coaching. 2014;9:993-1006.Edit

[2008-23] Silva PV, Weil P. On finite-index extensions of subgroups of free groups .Edit

[2016-13] Silva PV, Soares F. Local finiteness for Green relations in (I-)semigroup varieties .Edit

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

Silva PV. Free group languages: rational versus recognizable. Theor. Inform. Appl.. 2004;38:49-67.

Silva MC. Contribuição para o estudo do manuscrito Arte de Marear de Juan Pérez de Moya. LLULL. 2012;35(76):351-379.Edit

Silva PV, Steinberg B. Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit

[2006-21] Silva M. The algebraic contents of Bento Fernandes’ Tratado da arte de arismetica (1555) .

Silva P., Travassos B, Vilar L, Aguiar P, Davids K, _. Numerical Relations and Skill Level Constrain Co-Adaptive Behaviors of Agents in Sports.. 2014.Edit

Silva PV, Steinberg B.. On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit

Silva M, Magalhães ML. Luis Inacio Woodhouse (1857-1927). Vol 1. U. Porto Edições ed. 2018.Edit

Silva PV. On the semilattice of idempotents of a free inverse monoid. Proc. Edinburgh Math. Soc. (2). 1993;36:349-360.

Silva P., Duarte R, Sampaio J, Aguiar P, Davids K, Araújo D, et al. Field dimension and skill level constrain team tactical behaviours in small-sided and conditioned games in football. Journal of sports sciences. 2014;32:1888-1896.Edit

Sharkasi A., Ruskin H., Crane M, Matos J., Gama SM. A wavelet-based method to measure stock market development. Open Journal of Statistics. 2014;4:86-96.Edit

[2006-1] Sharkasi A, Crane M, Ruskin HJ, Matos J.. The Reaction of Stock Markets to Crashes and Events: A Comparison Study between Emerging and Mature .Edit

Shamarova E, Chertovskih R, Ramos AF, Aguiar P. Backward-stochastic-differential-equation approach to modeling of gene expression. Physical Review E. 2017;95:032418.Edit

Shahzamanian M.. The congruence $\eta^*$ on semigroups. Q. J. Math.. 2016;67:405-424.

Shahzamanian M., Shirmohammadi M., Davvaz B.. Roughness in Cayley graphs. Inform. Sci.. 2010;180:3362-3372.Edit

Severo M., Gaio A., Povo A., Silva-Pereira F., Ferreira M.. Evidence-based decision about test scoring rules in clinical anatomy multiple-choice examinations. Anatomical Sciences Education. 2014.Edit