All Solid Varieties of Semirings
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K. Denecke; H. Hounnon
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Article
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2002
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Elsevier Science
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English
β 110 KB
There are exactly three non-trivial solid varieties of semirings, the variety of all rectangular semirings, the variety V NID of all normal, idempotent, distributive semirings, and the subvariety of V NID which is defined by the additional identity x + y y + x β xy + yx.  2002 Elsevier Science (USA