On the unit component of the Newman-Unti group
Group Theory
2023-03-09 v2 Mathematical Physics
math.MP
Abstract
In this short note we identify the unit component of the Newman--Unti (NU) group in the fine very strong topology. In previous work, this component has been endowed with an infinite-dimensional Lie group structure, while the full NU-group does not support such a structure.
Cite
@article{arxiv.2209.00321,
title = {On the unit component of the Newman-Unti group},
author = {Alexander Schmeding},
journal= {arXiv preprint arXiv:2209.00321},
year = {2023}
}
Comments
4 pages, companion to arXiv:2109.11476, v2: Corrected typographical errors, results remain unchanged