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An analogue of row removal for diagrammatic Cherednik algebras
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Author(s)
Department/unit(s)
Publication details
| Journal | Mathematische Zeitschrift |
|---|---|
| Date | Accepted/In press - 17 Nov 2018 |
| Date | Published (current) - 19 Dec 2018 |
| Issue number | 3-4 |
| Volume | 293 |
| Number of pages | 21 |
| Pages (from-to) | 935-955 |
| Original language | English |
Abstract
We prove an analogue of James–Donkin row removal theorems for diagrammatic Cherednik algebras. This is one of the first results concerning the (graded) decomposition numbers of these algebras over fields of arbitrary characteristic. As a special case, our results yield a new reduction theorem for graded decomposition numbers and extension groups for cyclotomic q-Schur algebras.
Bibliographical note
Funding Information:
The authors would like to thank the Royal Commission for the Exhibition of 1851 and the Japan Society for the Promotion of Science for their financial support.
Publisher Copyright:
© 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.
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