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

3 votes
1 answer
158 views

Rescaling Fourier coefficients of a continuous function by a bounded sequence

This question stems out of: which sequences $(a_n)_{n\in\mathbb{Z}}$ of complex numbers have the property that if there exists a continuous function $f$ on the circle with Fourier coefficients $b_n$, …
Logan Hyslop's user avatar