Browsing by Author Costa, Alfredo

Results 1 to 10 of 10
Issue DateTitleAuthor(s)TypeAccess
11-Apr-2013A categorical invariant of flow equivalence of shiftsCosta, Alfredo ; Steinberg, Benjamin articleembargoedAccess
2005Conjugacy invariants of subshifts: an approach from profinite semigroup theoryCosta, Alfredo Manuel Gouveia da preprintopenAccess
2016A geometric interpretation of the Schützenberger group of a minimal subshiftAlmeida, Jorge ; Costa, Alfredo articleopenAccess
2009Infinite-vertex free profinite semigroupoids and symbolic dynamicsAlmeida, Jorge ; Costa, Alfredo articleopenAccess
2006A new algebraic invariant for weak equivalence of sofic subshiftsChaubard, Laura ; Costa, Alfredo preprintopenAccess
2015A NOTE ON PSEUDOVARIETIES OF COMPLETELY REGULAR SEMIGROUPSAlmeida, Jorge ; Costa, Alfredo articleembargoedAccess
2013Presentations of Schützenberger groups of minimal subshiftsAlmeida, Jorge ; Costa, Alfredo articleembargoedAccess
2009Profinite groups associated to sofic shifts are freeCosta, Alfredo ; Steinberg, Benjamin preprintopenAccess
2007Pseudovarieties defining classes of sofic subshifts closed under taking shift equivalent subshiftsCosta, Alfredo articleopenAccess
15-Mar-2013Some operators that preserve the locality of a pseudovariety of semigroupsCosta, Alfredo ; Escada, Ana Paula articleembargoedAccess