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math.RT2018
On the radical of the module category of an endomorphism algebra
Claudia Chaio, Victoria Guazzelli
Given a finite dimensional algebra over an algebraically closed field we study the relationship between the powers of the radical of a morphism in the module category of the al…
math.RT2018
The fundamental group of an algebra with strongly simply connected Galois covering
Claudia Chaio, Diane Castonguay, Sonia Trepode
In this work, we prove that if a triangular algebra admits a strongly simply connected universal Galois covering for a given presentation then the fundamental group associated…