Small Value of cohomological dimension of group homomorphisms
Algebraic Topology
2025-09-19 v1
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.
Keywords
Cite
@article{arxiv.2509.14615,
title = {Small Value of cohomological dimension of group homomorphisms},
author = {Nursultan Kuanyshov},
journal= {arXiv preprint arXiv:2509.14615},
year = {2025}
}
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8 pages