Tensor categories attached to exceptional cells in Weyl groups
classification
🧮 math.RT
keywords
categoryweylassociatedattachedcasecategoriescellcells
read the original abstract
Using truncated convolution of perverse sheaves on a flag variety Lusztig associated a monoidal category to a two sided cell in the Weyl group. We identify this category in the case which was not decided previously.
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