An explicit derivation of the Mobius function for Bruhat order
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An explicit derivation of the Mobius function for Bruhat order

  • Author(s): Jones, Brant C.
  • et al.

Published Web Location

https://arxiv.org/pdf/0904.4472.pdf
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Abstract

We give an explicit nonrecursive complete matching for the Hasse diagram of the strong Bruhat order of any interval in any Coxeter group. This yields a new derivation of the Mobius function, recovering a classical result due to Verma.

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