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Representation Theory

Published by the American Mathematical Society since 1997, this electronic-only journal is devoted to research in representation theory and seeks to maintain a high standard for exposition as well as for mathematical content. All articles are freely available to all readers and with no publishing fees for authors.

ISSN 1088-4165

The 2020 MCQ for Representation Theory is 0.71.

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.


The Dipper-Du conjecture revisited
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by Emily Norton
Represent. Theory 25 (2021), 748-759
Published electronically: September 3, 2021


We consider vertices, a notion originating in local representation theory of finite groups, for the category $\mathcal {O}$ of a rational Cherednik algebra and prove the analogue of the Dipper-Du Conjecture for Hecke algebras of symmetric groups in that setting. As a corollary we obtain a new proof of the Dipper-Du Conjecture over $\mathbb {C}$.
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Bibliographic Information
  • Emily Norton
  • Affiliation: Department of Mathematics, TU Kaiserslautern, Gottlieb-Daimler-Straße 48, 67663 Kaiserslautern Germany
  • MR Author ID: 1204269
  • Email:
  • Received by editor(s): December 13, 2019
  • Received by editor(s) in revised form: March 10, 2021
  • Published electronically: September 3, 2021
  • Additional Notes: The author was supported financially by MPIM Bonn at the time of writing
  • © Copyright 2021 American Mathematical Society
  • Journal: Represent. Theory 25 (2021), 748-759
  • MSC (2020): Primary 16G99, 20C08, 20C30
  • DOI:
  • MathSciNet review: 4308821