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arxiv: 0806.4151 · v2 · submitted 2008-06-25 · 🧮 math.CO · math.GR

Geometrically Constructed Bases for Homology of Non-Crossing Partition Lattices

classification 🧮 math.CO math.GR
keywords homologybasiscorrespondinghyperplanelatticenon-crossingpartitionaffine
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For any finite, real reflection group $W$, we construct a geometric basis for the homology of the corresponding non-crossing partition lattice. We relate this to the basis for the homology of the corresponding intersection lattice introduced by Bj\"{o}rner and Wachs in \cite{BW} using a general construction of a generic affine hyperplane for the central hyperplane arrangement defined by $W$.

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