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.Comment: 9 pages; final versio

Jones, Brant C.

English

arXiv

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

An explicit derivation of the Mobius function for Bruhat order

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