Co-prolongations of a group extension
classification
🧮 math.GR
keywords
co-prolongationsgroupscentralclassesclassifycohomologyconstructdimensional
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The aim of this paper is to study co-prolongations of central extensions. We construct the obstruction theory for co-prolongations and classify the equivalence classes of these by kernels of a homomorphisms between 2-dimensional cohomology groups of groups.
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