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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.


Locally analytic $\mathrm {Ext}^1$ for $\operatorname {GL}_2(\mathbb {Q}_p)$ in de Rham non-trianguline case
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by Yiwen Ding
Represent. Theory 26 (2022), 122-133
Published electronically: March 8, 2022


We prove Breuil’s conjecture on locally analytic $\mathrm {Ext}^1$ for $\mathrm {GL}_2(\mathbb {Q}_p)$ in de Rham non-trianguline case.
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Bibliographic Information
  • Yiwen Ding
  • Affiliation: Beijing International Center for Mathematical Research, Peking University, No.5 Yiheyuan Road Haidian District, Beijing 100871, People’s Republic of China
  • MR Author ID: 984199
  • Email:
  • Received by editor(s): June 30, 2021
  • Received by editor(s) in revised form: July 18, 2021, and August 8, 2021
  • Published electronically: March 8, 2022
  • Additional Notes: The work was supported by the NSFC Grant No. 8200905010 and No. 8200800065.
  • © Copyright 2022 American Mathematical Society
  • Journal: Represent. Theory 26 (2022), 122-133
  • MSC (2020): Primary 11S80, 11S37, 22E50
  • DOI:
  • MathSciNet review: 4390997