2025/09/18 by Kuanyshov, Nursultan · 1 citation
#20J06 #55M30 #Algebraic Topology (math.AT) #FOS: Mathematics
paper · doi:10.48550/arxiv.2509.14615
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.