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The main purpose of this paper is to extend the study of various annihilator conditions on polynomials to formal power s......

Let R be a nearring and G a faithful R-module. In this paper, we study the existence of idempotents in R mapping G onto ......

把郭华光在文献「１」中关于结合环的交换性定理推广到分配生成左拟环上。...