An Open Mapping Theorem
General Topology
2019-02-20 v1
Abstract
It is proved that any surjective morphism f:Zκ→K onto a locally compact group K is open for every cardinal κ. This answers a question posed by Karl Heinrich Hofmann and the second author.
Cite
@article{arxiv.1508.00775,
title = {An Open Mapping Theorem},
author = {S. S. Gabriyelyan and S. A. Morris},
journal= {arXiv preprint arXiv:1508.00775},
year = {2019}
}
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