LINEAR ISOMORPHISMS PRESERVING GREEN'S RELATIONS FOR MATRICES OVER ANTI-NEGATIVE SEMIFIELDS

Alexander Guterman, Marianne Johnson, Mark Kambites

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    Abstract

    In this paper we characterize those linear bijective maps on the monoid of all n×n square matrices over an anti-negative semifield (that is, a semifield which is not a field) which preserve each of Green's equivalence relations L, R, H, D, J and the corresponding four pre-orderings ≤L, ≤R, ≤H, ≤J. These results apply in particular to the tropical and boolean semirings.
    Original languageEnglish
    JournalLinear Algebra and its Applications
    Early online date3 Feb 2018
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Green's relations
    • linear preservers
    • semield
    • tropical semiring,
    • boolean semiring

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