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Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.

2 votes

$*$-representation $\pi:A\odot B\to B(H_1\otimes H_2)$ such that $\pi \neq \pi_1\otimes \pi_2$

Let $A=B=c_{\circ} \subseteq B(\ell^2)$. Let $\sigma:A \otimes B \to B(\ell^2 \otimes \ell^2)$ such that $\sigma(f \otimes g)=fg \otimes 1$. It is not hard to show that $\sigma$ is a representation. …
Hamed Nikpey's user avatar
6 votes
1 answer
319 views

C*-envelope of an operator system by an action

Let $V$ be an operator System in $B(H)$. By Hamana and Ruan theorems, there is an injective envelope $I(V)$ which is minimal injective subspace of $B(H)$ contains $V$. Thus there is a completely contr …
Hamed Nikpey's user avatar