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S -FP-Projective Modules and Dimensions

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Let R be a ring and let S be a multiplicative subset of R . An R -module M is said to be a u - S -absolutely pure module… Click to show full abstract

Let R be a ring and let S be a multiplicative subset of R . An R -module M is said to be a u - S -absolutely pure module if Ext R 1 N , M is u - S -torsion for any finitely presented R -module N . This paper introduces and studies the notion of S -FP-projective modules, which extends the classical notion of FP-projective modules. An R -module M is called an S -FP-projective module if Ext R 1 M , N = 0 for any u - S -absolutely pure R -module N . We also introduce the S -FP-projective dimension of a module and the global S -FP-projective dimension of a ring. Then, the relationship between the S -FP-projective dimension and other homological dimensions is discussed.

Keywords: jats inline; xmlns http; inline formula; math xmlns; http www; math

Journal Title: Journal of Mathematics
Year Published: 2023

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