A generalization of Chebyshev polynomials and non rooted posets
Combinatorics
2007-05-23 v2
Abstract
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]
Keywords
Cite
@article{arxiv.0704.0685,
title = {A generalization of Chebyshev polynomials and non rooted posets},
author = {Masaya Tomie},
journal= {arXiv preprint arXiv:0704.0685},
year = {2007}
}
Comments
11pages