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math.RT2025
On the global dimension three endomorphism algebras of the minimal generator-cogenerator
Edson Ribeiro Alvares, Clezio Aparecido Braga, Sonia Trepode +1
The main goal of this paper is to study the class of algebras for which the global dimension of the endomorphism ring of the generator-cogenerator, given by the sum of the projecti…
math.RT2021
The braid group action on exceptional sequences for weighted projective lines
Edson R. Alvares, Eduardo N. Marcos, Hagen Meltzer
We give a new and intrinsic proof of the transitivity of the braid group action on the set of full exceptional sequences of coherent sheaves on a weighted projective line. We do no…
math.RT2017
(m,n)-Quasitilted and (m,n)-Almost Hereditary Algebras
Diane Castonguay, Edson Ribeiro Alvares, Patrick Le Meur +1
Motivated by the study of (m,n)-quasitilted algebras, which are the piecewise hereditary algebras obtained from quasitilted algebras of global dimension two by a sequence of (co)ti…