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Representation Theory

Published by the American Mathematical Society, the Representation Theory (ERT) is devoted to research articles of the highest quality in all areas of pure and applied mathematics.

ISSN 1088-4165

The 2020 MCQ for Representation Theory is 0.7.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

Homological invariants of the arrow removal operation
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by Karin Erdmann, Chrysostomos Psaroudakis and Øyvind Solberg PDF
Represent. Theory 26 (2022), 370-387 Request permission

Abstract:

In this paper we show that Gorensteinness, singularity categories and the finite generation condition Fg for the Hochschild cohomology are invariants under the arrow removal operation for a finite dimensional algebra.
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Additional Information
  • Karin Erdmann
  • Affiliation: Karin Erdmann, Mathematical Institute, 24–29 St. Giles, Oxford OX1 3LB, England
  • MR Author ID: 63835
  • ORCID: 0000-0002-6288-0547
  • Email: erdmann@maths.ox.ac.uk
  • Chrysostomos Psaroudakis
  • Affiliation: Department of Mathematics, Aristotle University of Thessaloniki, Thessaloniki,54124, Greece
  • MR Author ID: 1041820
  • Email: chpsaroud@math.auth.gr
  • Øyvind Solberg
  • Affiliation: Department of Mathematical Sciences, NTNU, N-7491 Trondheim, Norway
  • Email: oyvind.solberg@ntnu.no
  • Received by editor(s): September 20, 2021
  • Received by editor(s) in revised form: December 23, 2021
  • Published electronically: March 23, 2022
  • © Copyright 2022 American Mathematical Society
  • Journal: Represent. Theory 26 (2022), 370-387
  • MSC (2020): Primary 18Exx, 16E30, 16E65; Secondary 16E10, 16Gxx
  • DOI: https://doi.org/10.1090/ert/606
  • MathSciNet review: 4398475