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  • Author or Editor: Fanyun Meng x
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In this paper, we introduce Gorenstein coat comodules and weakly Gorenstein injective (resp. coat) comodules over any coalgebra C. We prove that, for a left semiperfect coalgebra C, a left C-comodule M is (weakly) Gorenstein coat if and only if M is (weakly) Gorenstein injective. Some properties of weakly Gorenstein injective comodules are studied.

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