Braided differential structure on Weyl groups, quadratic algebras and elliptic functions

Details Braided differential structure on Weyl groups, quadratic algebras and elliptic functions Braided differential structure on Weyl groups, quadratic algebras and elliptic functions

2007-09-28

arxiv.org/abs/0709.4599v2

Mathematics

Quantum Algebra

Scientific paper

We discuss a class of generalized divided difference operators which give rise to a representation of Nichols-Woronowicz algebras associated to Weyl groups. For the root system of type $A,$ we also study the condition for the deformations of the Fomin-Kirillov quadratic algebra, which is a quadratic lift of the Nichols-Woronowicz algebra, to admit a representation given by generalized divided difference operators. The relations satisfied by the mutually commuting elements called Dunkl elements in the deformed Fomin-Kirillov algebra are determined. The Dunkl elements correspond to the truncated elliptic Dunkl operators via the representation given by the generalized divided difference operators.

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