Article thumbnail

A short proof for Auslander’s defect formula

By Henning Krause


AbstractWe give a short proof of Auslander’s formula relating the covariant and the contravariant defect of a short exact sequence in a module category. An immediate consequence is the classical Auslander–Reiten formula relating Ext and Hom

Publisher: Elsevier Science Inc.
Year: 2003
DOI identifier: 10.1016/S0024-3795(02)00481-0
OAI identifier:
Download PDF:
Sorry, we are unable to provide the full text but you may find it at the following location(s):
  • (external link)
  • https://s3-eu-west-1.amazonaws... (external link)
  • Suggested articles

    To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.