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math.RT2008★ 4 cited
Almost -split sequences and derived equivalences
Wei Hu, Changchang Xi
In this paper, we introduce almost -split sequences and establish an elementary but somewhat surprising connection between derived equivalences and Auslander-Reiten sequenc…
math.RT2005
On the representation dimension of rank 2 group algebras and related algebras
Thorsten Holm, Wei Hu
The representation dimension was defined by M. Auslander in 1970 and is, due to spectacular recent progress, one of the most interesting homological invariants in representation th…