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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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A $\tau$-tilting approach to the first Brauer-Thrall conjecture
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by Sibylle Schroll and Hipolito Treffinger PDF
Proc. Amer. Math. Soc. 150 (2022), 4567-4574 Request permission

Abstract:

In this paper we study the behaviour of modules over finite dimensional algebras whose endomorphism algebra is a division ring. We show that there are finitely many such modules in the module category of an algebra if and only if the length of all such modules is bounded.
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Additional Information
  • Sibylle Schroll
  • Affiliation: Department of Mathematics, University of Cologne, Weyertal 86-90, 50931 Cologne, Germany
  • MR Author ID: 760778
  • Email: schroll@math.uni-koeln.de
  • Hipolito Treffinger
  • Affiliation: Université de Paris, Bâtiment Sophie Germain 5, rue Thomas Mann 75205, Paris Cedex 13, France
  • MR Author ID: 1212841
  • Email: treffinger@imj-prg.fr
  • Received by editor(s): October 13, 2020
  • Published electronically: July 29, 2022
  • Additional Notes: The first author was supported by the EPSRC through the Early Career Fellowship, EP/P016294/1. The second author was supported by the European Union Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No. 893654. The second author was partially supported by the EPSRC through the Early Career Fellowship, EP/P016294/1 and by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Programme Grant - EXC-2047/1-390685813.
  • Communicated by: Jerzy Weyman
  • © Copyright 2022 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 150 (2022), 4567-4574
  • MSC (2020): Primary 16G20, 16S90, 16W20, 16D90, 16P10
  • DOI: https://doi.org/10.1090/proc/16055