为了深入研究N(2,2,0)代数的代数结构,在N(2,2,0)代数中建立了中间幂等元的概念,讨论了它的基本性质,给出了中间幂等元关联的集合坞是(S,*,△,0)的子代数的一个条件.证明了当U(2,2,0)代数中包含一个右零半群时,Mg是幂等元集E(S)的子集.并利用坞定义了一个等价关系.%In order to study the algebraic structure of N(2, 2, 0) algebras in a deep-going way, the concept of medial idempotents of N(2, 2, 0)-algebras is introduced. Some properties of medial idempotents are discussed. Some characteristic properties that the inci
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