2 papers
math.RT2017
The Lattice of Subobject Closed Subcategories and Colocal Type
Apolonia Gottwald
We consider abelian length categories, a generalization of module categories over Artin algebras. Let be an abelian length category of colocal type. We show that the…
math.RT2017
Cofinite Submodule Closed Categories and the Weyl group
Apolonia Gottwald
We consider hereditary Artin algebras over arbitrary fields and prove that there is a natural bijection between the Weyl groups and the sets of full additive cofinite submodule clo…