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Results tagged with homological-dimension
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user 4760
For questions having to do with projective and injective dimensions of modules, global dimension of rings and algebras, and related concepts.
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votes
Do the homological dimension and cohomological dimension for a group agree?
The cohomological and homological dimension of a group do not agree in general. For example, the homological dimension of the group $Z[\frac{1}{2}]$ is one, while its cohomological dimension is 2. Ho …
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