Multiplicative structure of 2x2 tropical matrices
classification
🧮 math.GR
keywords
tropicalmatricessemigroupstructurealgebraiccompletedescriptiongeometry
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We study the algebraic structure of the semigroup of all $2 \times 2$ tropical matrices under multiplication. Using ideas from tropical geometry, we give a complete description of Green's relations and the idempotents and maximal subgroups of this semigroup.
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