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P_nP环与模的预包络

P_nP Rings and Preenvelopes of Modules
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摘要 利用Pn-内射模和Pn-平坦模引入并研究了PnP环,得到了Pn-平坦预包络存在性和右PnP环的性质的刻画,推广了预包络存在性和PP环的相关研究. Pn-injective modules and Pn-flat modules are introduced to investigate PnP rings,the existences of Pn-flat preenvelope are obtained and right PnP rings are characterized,which generalized those results of the existence of preenvelopes and PP rings.
作者 颜星华
出处 《江西师范大学学报(自然科学版)》 CAS 北大核心 2010年第5期476-479,共4页 Journal of Jiangxi Normal University(Natural Science Edition)
关键词 Pn-内射模 Pn-平坦模 PnP环 预包络 Pn-injective module Pn-flat module PP ring preenvelope
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参考文献12

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