List questions from fourier-transform

Published on 02 Apr 2026 - 19:13

693

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How to calculate the wave front set for the characteristic function of a 2-dimensional ball?

Published on 25 Mar 2026 - 14:12

48

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2D-Fourier transform of $(r,\theta) \mapsto (1 + \mathrm{i} \cos ( \theta ))^{-1}$?

Published on 29 Aug 2016 - 9:38

149

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Problem involving Fourier-Stieltjes transform

Published on 31 Aug 2016 - 1:10

1.2k

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Fourier Transform Sin & Cos

Published on 01 Sep 2016 - 14:30

6.4k

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Fourier transform of $\frac{\arctan(x)}{x}$

Published on 26 Mar 2026 - 20:40

1.8k

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On the discrete-time Fourier transform of unit step sequence.

Published on 05 Sep 2016 - 2:46

10.2k

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How does FFT work?

Published on 25 Mar 2026 - 19:00

24

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Fourier Transform of $\frac{\log(x+C_1)}{(x^2-C_2)^2+C_3}$

Published on 06 Sep 2016 - 12:06

164

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Fourier transform distributing over convolution of measure and Lp function

Published on 30 Mar 2026 - 22:14

594

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What is the Fourier Transform of $e^{-2\pi t^2}\cos(2\pi t)$?

Published on 07 Sep 2016 - 0:40

146

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A generalization of circulant matrices

Published on 07 Sep 2016 - 0:57

40

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Integral equation with a cosine-like transform

Published on 01 Apr 2026 - 12:10

3.1k

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Two ways of writing the Fourier transform of the mod function

Published on 07 Sep 2016 - 23:27

224

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Definite integral $\int_{-1}^{1} e^{\frac{1}{x^2-1}}\cos{ax}\,dx$

Published on 09 Sep 2016 - 14:26

List Question

What are laplace and fourier transformations used for practically?

How to calculate the wave front set for the characteristic function of a 2-dimensional ball?

2D-Fourier transform of $(r,\theta) \mapsto (1 + \mathrm{i} \cos ( \theta ))^{-1}$?

Problem involving Fourier-Stieltjes transform

Fourier Transform Sin & Cos

Fourier transform of $\frac{\arctan(x)}{x}$

On the discrete-time Fourier transform of unit step sequence.

How does FFT work?

Fourier Transform of $\frac{\log(x+C_1)}{(x^2-C_2)^2+C_3}$

Fourier transform distributing over convolution of measure and Lp function

What is the Fourier Transform of $e^{-2\pi t^2}\cos(2\pi t)$?

A generalization of circulant matrices

Integral equation with a cosine-like transform

Two ways of writing the Fourier transform of the mod function

Definite integral $\int_{-1}^{1} e^{\frac{1}{x^2-1}}\cos{ax}\,dx$

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