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

5 votes
2 answers
676 views

Bounded linear functionals and representations

Suppose that $A$ is a unital C$^*$-algebra and that $\varphi: A \to \mathbb{C}$ is a bounded linear functional. Then there exists a Hilbert space $H$, a representation $\pi: A \to B(H)$ and vectors $\ …
Martin Wanvik's user avatar