Anastase Nakassis, "Recent results in hyperring and hyperfield theory", International Journal of Mathematics and Mathematical Sciences, vol. 11, Article ID 825185, 12 pages, 1988. https://doi.org/10.1155/S0161171288000250
Recent results in hyperring and hyperfield theory
This survey article presents some recent results in the theory of hyperfields and hyperrings, algebraic structures for which the sum of two elements is a subset of the structure. The results in this paper show that these structures cannot always be embedded in the decomposition of an ordinary structure (ring or field) in equivalence classes and that the structural results for hyperfields and hyperrings cannot be derived from the corresponding results in field and ring theory.
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