一类半环上的同余关系

摘要

The variety V of semirings determined by identities (SR1-SR6 ) and(GBSR1-GBSR3 )was stud-ied .Form discussing three congruences on semirings in V and connections of these congruences ,it is proved that B2 and Z3 are only congruence-simple semings in V .%本文研究了由恒等式（SR1-SR6）和（GBSR1-GBSR3）所确定的半环簇V 。讨论了簇V中半环上的3个同余关系，以及这些同余之间的联系。运用这些同余关系，证明了半环B2和Z3是簇V中仅有的同余单半环。