Notes in Homological Algebra

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Published	11/14/2024	[latex]Let \( G \) be a group and \( K \) a \( G \)-module.Definition: \textbf{Cohomology groups} of \( G \) with coefficients in \( K \)[/latex]
Published	11/14/2024	[latex]Let \( R \) be a ring and \( A,B \) \( R \)-modulesDefinition: \( \Ext^{n}_{R}(A,B) \)[/latex]
Published	11/14/2024	[latex]Künneth formula[/latex]
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