It is a basic fact in infinite-dimensional Lie theory that the unit group of a continuous inverse algebra A is a Lie group. We describe criteria ensuring that the Lie group is regular in Milnor’s sense. Notably, is regular if A is Mackey-complete and locally m-convex.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm211-2-1,
author = {Helge Gl\"ockner and Karl-Hermann Neeb},
title = {When unit groups of continuous inverse algebras are regular Lie groups},
journal = {Studia Mathematica},
volume = {209},
year = {2012},
pages = {95-109},
zbl = {1262.22005},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm211-2-1}
}
Helge Glöckner; Karl-Hermann Neeb. When unit groups of continuous inverse algebras are regular Lie groups. Studia Mathematica, Tome 209 (2012) pp. 95-109. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm211-2-1/