Ideals in $B(H)$ are self-adjoint
Posted by cyc, at math.stackexchange.com,
It is known that every (closed two-sided) ideal in a $C^{*}$-algebra is self-adjoint. The proofs that I've seen involve…
It is known that every (closed two-sided) ideal in a $C^{*}$-algebra is self-adjoint. The proofs that I've seen involve…
I have just read this question Is a von Neumann algebra just a C*-algebra which is generated by its projections? and am…