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

2 votes

What is the $L^p$-norm of the (uncentered) Hardy-Littlewood maximal function?

Uncenteed maximal operator is proven to be unbounded as $L^p \to L^p$ for general norm (see L. Grafakos and J. Kinnunen, "Sharp inequalities for maximal functions associated with general measures") Ac …
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