C*-seminorms
Volume 118 / 1996
Studia Mathematica 118 (1996), 19-26
DOI: 10.4064/sm-118-1-19-26
Abstract
A necessary and sufficient condition is given for a*-algebra with identity to have a unique maximal C*-seminorm. This generalizes the result, due to Bonsall, that a Banach *-algebra with identity has such a*-seminorm.
