Abstract

This paper deals with the solvability of interval matrix equations in max-plus algebra. Max-plus algebra is the algebraic structure in which classical addition and multiplication are replaced by ⊕ and ⊗, where a⊕b=max{a,b} and a⊗b=a+b.The notation A⊗X⊗C=B, where A, B, and C are given interval matrices, represents an interval max-plus matrix equation. We define three types of solvability of interval max-plus matrix equations, namely the strong universal , universal , and weak universal solvability. We derive the necessary and sufficient conditions which can be verified in polynomial times.

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