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

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About principal values and Wirtinger derivative

Let $K$ be a compact of the plane of Lebesgues measure 0 and $\Omega$ a domain containing $K$. Denote by $E$ the vector space of functions that are holomorphic on $\Omega - K$. I'm interested in kno …
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