Browsing by Author Martins-Ferreira, Nelson

Results 1 to 5 of 5
Issue DateTitleAuthor(s)TypeAccess
2020Cancellative conjugation semigroups and monoidsGarrão, Ana Paula; Martins-Ferreira, Nelson; Raposo, Margarida; Sobral, ManuelaarticleembargoedAccess
Sep-2017On some categorical-algebraic conditions in S-protomodular categoriesMartins-Ferreira, Nelson; Montoli, Andrea; Sobral, ManuelaarticleopenAccess
Oct-2019On the categorical behaviour of preordered groupsClementino, Maria Manuel ; Martins-Ferreira, Nelson; Montoli, AndreaarticleembargoedAccess
2020On the classification of Schreier extensions of monoids with non-abelian kernelMartins-Ferreira, Nelson; Montoli, Andrea; Patchkoria, Alex; Sobral, ManuelaarticleembargoedAccess
2018The Nine Lemma and the push forward construction for special Schreier extensions of monoids with operationsMartins-Ferreira, Nelson; Montoli, Andrea; Sobral, ManuelaarticleembargoedAccess