28 citations · 81 across the 14 of their papers we have counts for
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math.CO2018
Geometry and algorithms for upper triangular tropical matrix identities
Marianne Johnson, Ngoc Mai Tran
We provide geometric methods and algorithms to verify, construct and enumerate pairs of words (of specified length over a fixed -letter alphabet) that form identities in the sem…
math.RA2018
Identities in unitriangular and gossip monoids
Marianne Johnson, Peter Fenner
We establish a criterion for a semigroup identity to hold in the monoid of upper unitriangular matrices with entries in a commutative semiring . This criterion is c…