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Two points concerning Baer *-rings

A useful reference is Berberian's book "Baer *-rings". 1 - If $x^*x=1$, then $x$ is certainly a partial isometry, since $xx^*x=x$. By taking $e=1$ and $f=xx^*$ in Proposition 1.9 of Berberian, we obt …
Bert Lindenhovius's user avatar
5 votes

Some non-trivial Baer *-rings

I am not sure whether your definition of a Baer *-ring is correct. In the book of Berberian on Baer *-rings a ring $A$ is called a Baer *-ring if 1) $A$ is a *-ring (not necessarily an algebra), i.e. …
Bert Lindenhovius's user avatar