English

Almost $\cal D$-split sequences and derived equivalences

Representation Theory 2008-10-28 v1

Abstract

In this paper, we introduce almost D\cal D-split sequences and establish an elementary but somewhat surprising connection between derived equivalences and Auslander-Reiten sequences via BB-tilting modules. In particular, we obtain derived equivalences from Auslander-Reiten sequences (or nn-almost split sequences), and Auslander-Reiten triangles.

Cite

@article{arxiv.0810.4757,
  title  = {Almost $\cal D$-split sequences and derived equivalences},
  author = {Wei Hu and Changchang Xi},
  journal= {arXiv preprint arXiv:0810.4757},
  year   = {2008}
}
R2 v1 2026-06-21T11:35:10.304Z