A1 Refereed original research article in a scientific journal

Commuting Upper Triangular Binary Morphisms




AuthorsHonkala, Juha

PublisherIOS Press BV

Publication year2024

JournalFundamenta Informaticae

Journal name in sourceFundamenta Informaticae

Volume191

Issue3-4

First page 285

Last page298

ISSN0169-2968

eISSN1875-8681

DOIhttps://doi.org/10.3233/FI-242183(external)

Web address https://doi.org/10.3233/FI-242183(external)

Self-archived copy’s web addresshttps://arxiv.org/pdf/2302.06158(external)

Preprint addresshttps://arxiv.org/abs/2302.06158(external)


Abstract
A morphism g from the free monoid X∗ into itself is called upper triangular if the matrix of g is upper triangular. We characterize all upper triangular binary morphisms g1 and g2 such that g1g2 = g2g1.



Last updated on 2025-03-04 at 13:57