Abstract
Several classes of congruence-simple semirings are characterized and various further examples are constructed. Among others, it is shown that every congruence-simple semiring fits into one of the following three classes: additively idempotent semirings, additively cancellative semirings, additively nil-semirings of index 2.
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El Bashir, R., Kepka, T. Congruence-Simple Semirings. Semigroup Forum 75, 588–608 (2007). https://doi.org/10.1007/s00233-007-0725-7
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DOI: https://doi.org/10.1007/s00233-007-0725-7