Cyclotomic quiver Hecke algebras and Hecke algebra of $G(r,p,n)$
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Abstract:
Given a quiver automorphism with nice properties, we give a presentation of the fixed point subalgebra of the associated cyclotomic quiver Hecke algebra. Generalising an isomorphism of Brundan and Kleshchev between the cyclotomic Hecke algebra of type $G(r, 1, n)$ and the cyclotomic quiver Hecke algebra of type A, we apply the previous result to find a presentation of the cyclotomic Hecke algebra of type $G(r,p,n)$ which looks very similar to the one of a cyclotomic quiver Hecke algebra. In addition, we give an explicit isomorphism which realises a well-known Morita equivalence between Ariki–Koike algebras.References
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Additional Information
- Salim Rostam
- Affiliation: Laboratoire de Mathématiques de Versailles, UVSQ, CNRS, Université Paris-Saclay, 78035 Versailles, France
- MR Author ID: 1204275
- Email: salim.rostam@ens-rennes.fr
- Received by editor(s): November 12, 2016
- Received by editor(s) in revised form: September 28, 2017
- Published electronically: November 16, 2018
- © Copyright 2018 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 371 (2019), 3877-3916
- MSC (2010): Primary 20C08
- DOI: https://doi.org/10.1090/tran/7485
- MathSciNet review: 3917212