On the insertion of n-powers

In algebraic terms, the insertion of $n$-powers in words may be modelled at the language level by considering the pseudovariety of ordered monoids defined by the inequality $1\le x^n$. We compare this pseudovariety with several other natural pseudovarieties of ordered monoids and of monoids associat...

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Bibliographic Details
Main Authors: J. Almeida, O. Klíma
Format: Article
Language:English
Published: Discrete Mathematics & Theoretical Computer Science 2019-02-01
Series:Discrete Mathematics & Theoretical Computer Science
Subjects:
Online Access:https://dmtcs.episciences.org/4072/pdf