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Results tagged with fa.functional-analysis
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user 127637
Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.
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Operator power of another operator
I was reading a paper and encountered the following notation:
Let $\mathcal{H}=\ell^2(\mathbb{Z})$ and $\{e_p\}_{p\in \mathbb{Z}}$ be an orthonormal basis of $\mathcal{H}$.Define
$$ue_p=e_{p+1}\quad …
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