Let $A$ be a non-unital Banach $*$-algebra with isometric involution. Is it possible that the enveloping $C^*$-algebra of $A$ is unital? I guess not at least when $A$ admits an approximate identity, but I can't prove it.
2026-03-25 18:52:36.1774464756
Can C*-envelope introduce the unity?
39 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in C-STAR-ALGEBRAS
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