Juha Honkala - Commuting upper triangular binary morphisms

fi:10954 - Fundamenta Informaticae, November 10, 2024, Volume 191, Issues 3-4: Iiro Honkala's 60 Birthday
Commuting upper triangular binary morphismsArticle

Authors: Juha Honkala

    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.


    Volume: Volume 191, Issues 3-4: Iiro Honkala's 60 Birthday
    Published on: November 10, 2024
    Accepted on: September 28, 2023
    Submitted on: February 14, 2023
    Keywords: Computer Science - Formal Languages and Automata Theory,F.4.3

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