List questions from fourier-analysis

Published on 09 Apr 2026 - 15:18

206

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Relationship between $L^2(\mathbb{R})$ with Lebesgue measure and $L^2(\mathbb{R})$ with Gaussian measure

Published on 12 Apr 2026 - 13:31

501

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Finding the Fourier series of $\frac{4-2\cos x}{5-4\cos x}$

Published on 03 Apr 2026 - 21:07

678

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Fourier serie of $x-\frac{1}{2}$ on $[0,1]$

Published on 11 Apr 2026 - 21:50

403

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Operator commutes with translation is a convolution with a measure. Stein.

Published on 12 Apr 2026 - 3:11

76

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Operator commutes with translation and bounded measurable function. Stein.

Published on 09 Apr 2026 - 0:06

1.1k

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Why is Fourier transform of sin(2t) not 2?

Published on 12 Apr 2026 - 12:00

58

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eigen functions of finite filters

Published on 26 Mar 2026 - 6:28

93

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spectrum of $-\frac{d^2}{dx^2}$ with respect to $C[0,2\pi]$ with Dirichlet boundary conditions

Published on 29 Mar 2026 - 10:29

33

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Frobenius norm of prolate matrix

Published on 08 Apr 2026 - 1:02

212

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Linear operator commutes with translation. Observation in $L^1\cap L^2$. Stein

Published on 29 Dec 2019 - 4:52

137

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How to show That T is not compact

Published on 26 Mar 2026 - 22:13

86

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What is the mathematical term for the frequency as stops per cycle (similar to roots of unity)?

Published on 27 Mar 2026 - 13:03

49

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What properties of $A:H^{-1/2}([0,2\pi])\to H^{1/2}([0,2\pi])$ allow us to bound the Sobolev operator norm of $A$ by the $L^2$ operator norm?

Published on 27 Mar 2026 - 13:01

56

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The wave equation, Fourier formula

Published on 09 Apr 2026 - 5:44

List Question

Properties of Fourier transforms on the positive real axis

Relationship between $L^2(\mathbb{R})$ with Lebesgue measure and $L^2(\mathbb{R})$ with Gaussian measure

Finding the Fourier series of $\frac{4-2\cos x}{5-4\cos x}$

Fourier serie of $x-\frac{1}{2}$ on $[0,1]$

Operator commutes with translation is a convolution with a measure. Stein.

Operator commutes with translation and bounded measurable function. Stein.

Why is Fourier transform of sin(2t) not 2?

eigen functions of finite filters

spectrum of $-\frac{d^2}{dx^2}$ with respect to $C[0,2\pi]$ with Dirichlet boundary conditions

Frobenius norm of prolate matrix

Linear operator commutes with translation. Observation in $L^1\cap L^2$. Stein

How to show That T is not compact

What is the mathematical term for the frequency as stops per cycle (similar to roots of unity)?

What properties of $A:H^{-1/2}([0,2\pi])\to H^{1/2}([0,2\pi])$ allow us to bound the Sobolev operator norm of $A$ by the $L^2$ operator norm?

The wave equation, Fourier formula

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