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3
votes
Accepted
Centralizers and containment of $c_0$
Cameron's answer indicates why $Z(X)$ rather than $X$ contains an isomorphic copy of $c_0$. Using E. Behrends's function module representation theory, one actually obtains an isometric copy of $c_0$ i …
7
votes
Accepted
When does the dual to the space $K(X)$ of compact operators consist of nuclear functionals?
This is the question of duality of injective and projective tensor products of Banach spaces, and the natural question would be whether the dual of $K(X)$ can be represented by the functionals in $N(X …