On the cokernel of the Baumslag rationalization
Group Theory
2021-03-15 v3 Category Theory
Abstract
We prove that for the free group of rank two the cokernel of the homomorphism to its Baumslag rationalization is not abelian. Moreover, this cokernel contains a free subgroup of countable rank. This answers a question of Emmanuel Farjoun.
Cite
@article{arxiv.2102.04045,
title = {On the cokernel of the Baumslag rationalization},
author = {Sergei O. Ivanov},
journal= {arXiv preprint arXiv:2102.04045},
year = {2021}
}