English

Auslander's defect formula and a commutative triangle in an exact category

Representation Theory 2020-03-24 v2

Abstract

We prove Auslander's defect formula in an exact category, and obtain a commutative triangle involving the Auslander bijections and the generalized Auslander-Reiten duality.

Keywords

Cite

@article{arxiv.1707.01646,
  title  = {Auslander's defect formula and a commutative triangle in an exact category},
  author = {Pengjie Jiao},
  journal= {arXiv preprint arXiv:1707.01646},
  year   = {2020}
}

Comments

8 pages, final version

R2 v1 2026-06-22T20:39:18.951Z