Shen Li

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20162023

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math.RT2016

Relative contravariantly finite subcategories and relative tilting modules

Wei Han, Shen Li, Shunhua Zhang

Let $A$ be a finite dimensional algebra over an algebraically closed field $k$ . Let $T$ be a tilting $A$ -module and $B = End_{A} T$ be the endomorphism algebra of $T$ . In this p…

math.RT2016

A new characterization of Auslander algebras

Shen Li, Shunhua Zhang

Let $Λ$ be a finite dimensional Auslander algebra. For a $Λ$ -module $M$ , we prove that the projective dimension of $M$ is at most one if and only if the projective dimension of its…