A class of inherently nonfinitely based semirings

• Autores: Igor Dolinka
• Localización: Algebra universalis, ISSN 0002-5240, Vol. 60, Nº. 1, 2009, págs. 19-35
• Idioma: inglés
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• Resumen

  • We give a sufficient condition which ensures that a semiring with an idempotent addition is inherently nonfinitely based. This enables us to provide a number of small and natural examples of nonfinitely based semirings, including semirings of binary relations on a finite set.