It is shown that every unital σ-complete topologically primitive strongly galbed Hausdorff algebra in which all elements are bounded is central
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-bc67-0-4,
author = {Mart Abel},
title = {The center of topologically primitive galbed algebras},
journal = {Banach Center Publications},
volume = {68},
year = {2005},
pages = {45-54},
zbl = {1091.46025},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc67-0-4}
}
Mart Abel. The center of topologically primitive galbed algebras. Banach Center Publications, Tome 68 (2005) pp. 45-54. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc67-0-4/