q-Parikh matrices and q-deformed binomial coefficients of words

We have introduced a q-deformation, i.e., a polynomial in q with natural coefficients, of the binomial coefficient of two finite words u and v counting the number of occurrences of v as a subword of u. In this paper, we examine the q-deformation of Parikh matrices as introduced by Eğecioğlu in 2004....

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Bibliographic Details
Main Authors: Antoine Renard, Michel Rigo, Markus Whiteland
Format: Default Article
Published: 2025
Subjects:
Theory of computation
Applied mathematics
Pure mathematics
Gaussian binomial coefficients
Binomial coefficients of words
Parikh matrices
Linear recurrence sequences
Formal power series
Online Access:https://hdl.handle.net/2134/28518404.v1
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