List questions from harmonic-analysis

Published on 30 Jan 2017 - 20:48

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Integral of normal derivative around circle equals zero implies harmonic

Published on 29 Mar 2026 - 18:31

298

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Does every continous function in L1 is a fourier transform?

Published on 31 Jan 2017 - 8:27

169

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Strict inclusions $H^{1/2}\subsetneq\operatorname{vmo}\subsetneq \operatorname{bmo}$ on $S^1$

Published on 01 Feb 2017 - 21:48

161

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Show that the sequence $H_n - \lfloor H_n \rfloor$ is not convergent

Published on 25 Mar 2026 - 18:57

297

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Nowhere differentiable Fourier transform

Published on 11 Feb 2017 - 4:50

65

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Will the differentiability of Fourier transform be very bad?

Published on 11 Feb 2017 - 19:50

180

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What kind of manifold is the quotient of $ \mathbb C^n $by a (non-mirror) crystallographic group

Published on 25 Mar 2026 - 12:50

231

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The homogeneous sobolev space and the Fourier transform

Published on 16 Feb 2017 - 23:56

768

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Are equivalent representations unitarily equivalent?

Published on 18 Feb 2017 - 21:06

189

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General theory of divergent, highly oscillatory integrals

Published on 23 Feb 2026 - 5:12

149

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Convolution $f \ast f$, where $f \in L^{2}(\mathbb{R}^d)$ but $f \not \in L^{1}(\mathbb{R}^d)$

Published on 27 Mar 2026 - 10:47

693

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The set of all continuous functions on a compact group $G$ form a ring (without unit unless the group is finite)?

Published on 28 Mar 2026 - 1:48

148

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How to measure a non-integer number of periods of a sine wave signal using harmonic analysis

Published on 25 Mar 2026 - 12:28

72

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Showing that a topological group is compact under certain conditions

Published on 25 Feb 2017 - 19:56

List Question

Function in VMO$(S^1,S^1)$

Integral of normal derivative around circle equals zero implies harmonic

Does every continous function in L1 is a fourier transform?

Strict inclusions $H^{1/2}\subsetneq\operatorname{vmo}\subsetneq \operatorname{bmo}$ on $S^1$

Show that the sequence $H_n - \lfloor H_n \rfloor$ is not convergent

Nowhere differentiable Fourier transform

Will the differentiability of Fourier transform be very bad?

What kind of manifold is the quotient of $ \mathbb C^n $by a (non-mirror) crystallographic group

The homogeneous sobolev space and the Fourier transform

Are equivalent representations unitarily equivalent?

General theory of divergent, highly oscillatory integrals

Convolution $f \ast f$, where $f \in L^{2}(\mathbb{R}^d)$ but $f \not \in L^{1}(\mathbb{R}^d)$

The set of all continuous functions on a compact group $G$ form a ring (without unit unless the group is finite)?

How to measure a non-integer number of periods of a sine wave signal using harmonic analysis

Showing that a topological group is compact under certain conditions

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