Extensions of groups and modules
The main goal of this thesis is to build up detailed constructions and give complete proofs for the extension functors of modules and groups, which we define using cohomology functors. Further, we look at the relations that appear between these and short exact sequences of modules, respectively groups. We calculate also several concrete cohomology groups, and build extensions that are described by those cohomologies.
PublisherUniversitetet i Tromsø
University of Tromsø
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