2 papers
math.RT2016
Relative contravariantly finite subcategories and relative tilting modules
Wei Han, Shen Li, Shunhua Zhang
Let be a finite dimensional algebra over an algebraically closed field . Let be a tilting -module and be the endomorphism algebra of . In this p…
math.RT2016
A new characterization of Auslander algebras
Shen Li, Shunhua Zhang
Let be a finite dimensional Auslander algebra. For a -module , we prove that the projective dimension of is at most one if and only if the projective dimension of its…