Gorenstein Flat and Cotorsion Dimensions of Unbounded Complexes |
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| Authors: | Xiaoyan Yang Jianlian Zhao |
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| Institution: | 1. Department of Mathematics , Northwest Normal University , Lanzhou , China yangxy@nwnu.edu.cn;3. Department of Mathematics , Northwest Normal University , Lanzhou , China |
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| Abstract: | In this article, we define and study the Gorenstein flat dimension and Gorenstein cotorsion dimension for unbounded complexes over GF-closed rings by constructions of resolutions of unbounded complexes. The behavior of the dimensions under change of rings is investigated. |
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| Keywords: | Gorenstein cotorsion dimension Gorenstein flat dimension |
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