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Small Value of cohomological dimension of group homomorphisms

2025/09/18 by Kuanyshov, Nursultan · 1 citation
#20J06 #55M30 #Algebraic Topology (math.AT) #FOS: Mathematics

paper · doi:10.48550/arxiv.2509.14615

Abstract

We give the characterisation of cohomological dimension of group homomorphisms. In particular, we show the analogue of the Stallings-Swan theorem in the case of group epimorphisms.

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