Identities Derived from Noncrossing Partitions of Type B

Details Identities Derived from Noncrossing Partitions of Type B Identities Derived from Noncrossing Partitions of Type B

2009-08-17

arxiv.org/abs/0908.2291v1

Mathematics

Combinatorics

18 pages, 4 figures

Scientific paper

Based on weighted noncrossing partitions of type B, we obtain type B analogues of Coker's identities on the Narayana polynomials. A parity reversing involution is given for the alternating sum of Narayana numbers of type B. Moreover, we find type B analogues of the refinements of Coker's identities due to Chen, Deutsch and Elizalde. By combinatorial constructions, we provide type B analogues of three identities of Mansour and Sun also on the Narayana polynomials.

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