List questions from harmonic-analysis

Published on 17 Apr 2026 - 3:50

31

Views

Minimize $\int_{-\pi}^{\pi}|x-a-be^{3ix}-c^{5ix}|^2dx$ for $a,b,c \in \mathbb{R}$

Published on 15 Apr 2026 - 7:14

116

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Example of a function in the weighted Morrey space

Published on 11 May 2026 - 1:58

92

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Integration over a ball of power of mod function

Published on 10 Apr 2026 - 20:16

210

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Absolute convergence of Fourier series in $\mathbb{Z}_p$

Published on 10 Apr 2026 - 18:16

106

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A proposition about bounded and weak-$L^2$ integrable fucntion

Published on 11 May 2026 - 18:45

178

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How do I induce this Hardy-Littlewood-Sobolev inequality

Published on 12 Apr 2026 - 9:32

29

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Finding / creating harmonic functions with given criteria

Published on 10 Apr 2026 - 21:47

122

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Understanding a remark for the Hausdorff measure in Wolff's lecture notes

Published on 10 May 2026 - 21:57

110

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Support of a fundamental solution of wave equation

Published on 10 Apr 2026 - 5:48

139

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What is Fourier transform of $|(x,t)|^{-\alpha}$?

Published on 11 Apr 2026 - 22:22

256

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on the limit of the finite representation of harmonics

Published on 11 May 2026 - 4:22

101

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Approximating a Lipschitz function by spherical harmonics

Published on 11 Apr 2026 - 13:26

37

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A Question about Even Harmonic Functions and Fractional Laplacian

Published on 12 Apr 2026 - 22:03

40

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Is every harmonic function of two variables in a disc indefinitely differentiable?

Published on 12 Apr 2026 - 6:57

List Question

Proving the set of polynomials is dense in $C^{1}[0,1]$

Minimize $\int_{-\pi}^{\pi}|x-a-be^{3ix}-c^{5ix}|^2dx$ for $a,b,c \in \mathbb{R}$

Example of a function in the weighted Morrey space

Integration over a ball of power of mod function

Absolute convergence of Fourier series in $\mathbb{Z}_p$

A proposition about bounded and weak-$L^2$ integrable fucntion

How do I induce this Hardy-Littlewood-Sobolev inequality

Finding / creating harmonic functions with given criteria

Understanding a remark for the Hausdorff measure in Wolff's lecture notes

Support of a fundamental solution of wave equation

What is Fourier transform of $|(x,t)|^{-\alpha}$?

on the limit of the finite representation of harmonics

Approximating a Lipschitz function by spherical harmonics

A Question about Even Harmonic Functions and Fractional Laplacian

Is every harmonic function of two variables in a disc indefinitely differentiable?

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