Necessary and sufficient conditions of Green-L+∩ relation satisfied by idempotent semirings are given. The Green-L+∩ relation is characterized and it is congruence on the idempotent semirings.
文摘Necessary and sufficient conditions of Green-L+∩ relation satisfied by idempotent semirings are given. The Green-L+∩ relation is characterized and it is congruence on the idempotent semirings.