Journal of Jilin University Science Edition ›› 2022, Vol. 60 ›› Issue (4): 800-804.
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ZHOU Xujie, ZHAO Zhibing
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Abstract: Let A/S be a Frobenius extension of rings with S coherent and C a semidualizing S-module. Firstly, we prove that GC-flatness with respect to a semidualizing module is invariant under Frobenius extensions by using the construction method, that is, for an A-module M, MA is GCSA-flat module if and only if MS is GC-flat. Secondly, we prove that GC-flat dimension with respect to a semidualizing module is preserved under Frobenius extensions.
Key words: semidualizing module, GC-flat module, GC-flat dimension, Forbenius extension
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ZHOU Xujie, ZHAO Zhibing. GC-Flatness under Frobenius Extensions[J].Journal of Jilin University Science Edition, 2022, 60(4): 800-804.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2022/V60/I4/800
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