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The Soergel category and the redotted Webster algebra (1605.02678v1)
Published 9 May 2016 in math.QA, math.GT, and math.RT
Abstract: We describe a collection of graded rings which surject onto Webster rings for sl(2) and which should be related to certain categories of singular Soergel bimodules. In the first non-trivial case, we construct a categorical braid group action which categorifies the Burau representation.
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