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arxiv: 1605.01777 · v2 · pith:GJ63KQDWnew · submitted 2016-05-05 · 🧮 math.CO · math.GR

The equivariant Kazhdan-Lusztig polynomial of a matroid

classification 🧮 math.CO math.GR
keywords equivariantkazhdan-lusztigmatroidmatroidspolynomialarbitrarybraidcase
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We define the equivariant Kazhdan-Lusztig polynomial of a matroid equipped with a group of symmetries, generalizing the nonequivariant case. We compute this invariant for arbitrary uniform matroids and for braid matroids of small rank.

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