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关于多余余满可缩模 被引量:1

On Superfluous Co-epi-retractable Modules
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摘要 引入多余余满可缩模与本质满可缩模,得到了多余余满可缩模具有Morita不变性,证明了在Morita对偶下多余余满可缩模与本质满可缩模构成了Morita对偶对.同时研究了多余余满可缩环的性质,证明了右多余余满可缩的右PP环是半本原环. Introduce superfluous co-epi-retractable modules and essential epi-retractable mod- ules, obtain that being superfluous co-epi-retractable modules is a Morita invariant, and prove that superfluous co-epi-retractable modules and essential epi-retractable modules are dual each other un- der Morita duality. Also study the characterizations of superfluous co-epi-retractable rings, show thatevery right superfluous co-epi-retractable and right PP ring is semiprimitive.
出处 《福建师范大学学报(自然科学版)》 CAS CSCD 北大核心 2013年第6期6-9,共4页 Journal of Fujian Normal University:Natural Science Edition
关键词 多余余满可缩模 本质满可缩模 半本原环 superfluous co-epi-retractable module essential epi-retractable module semiprimitive ring
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参考文献6

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同被引文献15

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