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VOL. 76 | 2018 Embedding of the rank 1 DAHA into $Mat(2,\mathbb T_q)$ and its automorphisms
Marta Mazzocco

Editor(s) Hitoshi Konno, Hidetaka Sakai, Junichi Shiraishi, Takao Suzuki, Yasuhiko Yamada

Abstract

In this paper we show how the Cherednik algebra of type $\check{C_1}C_1$ appears naturally as quantisation of the group algebra of the monodromy group associated to the sixth Painlevé equation. This fact naturally leads to an embedding of the Cherednik algebra of type $\check{C_1}C_1$ into $Mat(2,\mathbb T_q)$, i.e. $2\times 2$ matrices with entries in the quantum torus. For $q=1$ this result is equivalent to say that the Cherednik algebra of type $\check{C_1}C_1$ is Azumaya of degree 2 [31]. By quantising the action of the braid group and of the Okamoto transformations on the monodromy group associated to the sixth Painlevé equation we study the automorphisms of the Cherednik algebra of type $\check{C_1}C_1$ and conjecture the existence of a new automorphism. Inspired by the confluences of the Painlevé equations, we produce similar embeddings for the confluent Cherednik algebras $\mathcal H_V,\mathcal H_{IV},\mathcal H_{III},\mathcal H_{II}$ and $\mathcal H_{I},$ defined in [27].

Information

Published: 1 January 2018
First available in Project Euclid: 21 September 2018

zbMATH: 07039310
MathSciNet: MR3837929

Digital Object Identifier: 10.2969/aspm/07610449

Subjects:
Primary: 16T99, 33D52, 33D80

Rights: Copyright © 2018 Mathematical Society of Japan

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