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Costa, Alfredo
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Results 1-10 of 10 (Search time: 0.037 seconds).

Issue DateTitleAuthor(s)TypeAccess
111-Apr-2013A categorical invariant of flow equivalence of shiftsCosta, Alfredo ; Steinberg, Benjamin articleembargoedAccess
22005Conjugacy invariants of subshifts: an approach from profinite semigroup theoryCosta, Alfredo Manuel Gouveia da preprintopenAccess
32016A geometric interpretation of the Schützenberger group of a minimal subshiftAlmeida, Jorge ; Costa, Alfredo articleopenAccess
42009Infinite-vertex free profinite semigroupoids and symbolic dynamicsAlmeida, Jorge ; Costa, Alfredo articleopenAccess
52006A new algebraic invariant for weak equivalence of sofic subshiftsChaubard, Laura ; Costa, Alfredo preprintopenAccess
62015A NOTE ON PSEUDOVARIETIES OF COMPLETELY REGULAR SEMIGROUPSAlmeida, Jorge ; Costa, Alfredo articleembargoedAccess
72013Presentations of Schützenberger groups of minimal subshiftsAlmeida, Jorge ; Costa, Alfredo articleembargoedAccess
82009Profinite groups associated to sofic shifts are freeCosta, Alfredo ; Steinberg, Benjamin preprintopenAccess
92007Pseudovarieties defining classes of sofic subshifts closed under taking shift equivalent subshiftsCosta, Alfredo articleopenAccess
1015-Mar-2013Some operators that preserve the locality of a pseudovariety of semigroupsCosta, Alfredo ; Escada, Ana Paula articleembargoedAccess