“…It was motivated by an attempt to understand whether or not it is coincidental that basic algebraic theorems are mirrored in supertropical algebra, and was spurred by the realization that some of the same results are obtained in parallel research on hyperfields and fuzzy rings. Our objective is to hone in on the precise axioms that include these various examples, formulate the axiomatic structure, describe its uses, and review five papers [64,4,50,48,49] in which the theory is developed. The bulk of this survey concerns [64], in which the axiomatic framework is laid out, since the other papers build on it.…”