【摘 要】
：
This paper is motivated by S. Park [10] in which the injective cover of left R[x]module M[x-1] of inverse polynomials over a left R-module M was discussed. The
【机 构】
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Department of Mathematics
【基金项目】
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高等学校优秀青年教师教学科研奖励计划;国家自然科学基金
论文部分内容阅读
This paper is motivated by S. Park [10] in which the injective cover of left R[x]module M[x-1] of inverse polynomials over a left R-module M was discussed. The author considers the Ω-covers of modules and shows that if η: P → M is an Ωcover of M, then [ηs,≤]: [pS,≤] → [MS,≤] is an [Ωs,≤]-cover of left [[Rs,≤]]-module [MS,≤], where Ω is a class of left R-modules and [Ms,≤] is the left [[Rs,≤]]-module of generalized inverse polynomials over a left R-module M. Also some properties of the injective cover of left [[RS,≤]]-module [Ms,≤] are discussed.
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