The New Math » Blog Archive » A generalization of Chebyshev polynomials and non rooted posets. [arXiv:0704.0685v2]

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A generalization of Chebyshev polynomials and non rooted posets. [arXiv:0704.0685v2]

8 April 2007 at 9:32 am

In this paper we give a generalization of Chebyshev polynomials and using
this we describe the M\”obius function of the generalized subword order from a
poset {a1,…as,c |ai<c}, which contains an affirmative answer for the
conjecture by Bj\”orner, Sagan, Vatter.[5,10]

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