Distributions of several infinite families of mesh patterns

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Kitaev, Sergey and Zhang, Philip B. and Zhang, Xutong (2020) Distributions of several infinite families of mesh patterns. Applied Mathematics and Computation, 372. 124984. ISSN 0096-3003 (https://doi.org/10.1016/j.amc.2019.124984)

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Abstract

Brändén and Claesson introduced mesh patterns to provide explicit expansions for certain permutation statistics as linear combinations of (classical) permutation patterns. The first systematic study of the avoidance of mesh patterns was conducted by Hilmarsson et al., while the first systematic study of the distribution of mesh patterns was conducted by the first two authors. In this paper, we provide far-reaching generalizations for 8 known distribution results and 5 known avoidance results related to mesh patterns by giving distribution or avoidance formulas for certain infinite families of mesh patterns in terms of distribution or avoidance formulas for smaller patterns. Moreover, as a corollary to a general result, we find the distribution of one more mesh pattern of length 2.

ORCID iDs

Kitaev, Sergey ORCID logoORCID: https://orcid.org/0000-0003-3324-1647, Zhang, Philip B. and Zhang, Xutong;
CORE (COnnecting REpositories)