List questions from fourier-transform

Published on 26 Mar 2026 - 2:41

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Infinite sum of delta function when calculating Fourier Transform

Published on 28 Mar 2026 - 4:33

198

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Show that the Fourier Transform of a function is not in $L^{1}(R)+L^{2}(R).$

Published on 07 Dec 2019 - 13:21

40

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How to evaluate $\int_0^\infty \frac{\cos\left(\frac{t x}{\lambda} \right)}{t^ 3}\, \left(\int_0^t s^2\cos (s)\, ds\right)\, dt $?

Published on 07 Dec 2019 - 16:23

38

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Show that convolution product $f*g\in \mathcal{C}^{\infty}$ if $f,g\in L^{1}$ and$g\in \mathcal{C}^{\infty}.$

Published on 29 Mar 2026 - 18:51

905

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Is the Fourier transform bounded from $L^\infty$ to $L^\infty$?

Published on 08 Dec 2019 - 22:18

178

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A simple formula in finite group representation

Published on 09 Dec 2019 - 20:36

382

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Finding a 2D Fourier transform with a Contour Integral

Published on 09 Dec 2019 - 22:36

39

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Computing a mysterious Fourier transform

Published on 10 Dec 2019 - 2:28

123

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Inverse operator: what does it mean in Banach spaces?

Published on 10 Dec 2019 - 12:31

177

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Fourier-transform of uncertainty relation

Published on 10 Dec 2019 - 14:09

568

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2-dimensional Fourier transform interpretation

Published on 11 Dec 2019 - 0:54

269

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Two sided Laplace transform of convolution integral

Published on 12 Dec 2019 - 15:29

43

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Quick question about Fourier Transform

Published on 13 Dec 2019 - 1:15

36

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the value of the Fourier transform of $\phi$

Published on 13 Dec 2019 - 9:59

List Question

Operation between Fourier transform and convolution of locally integrable function

Infinite sum of delta function when calculating Fourier Transform

Show that the Fourier Transform of a function is not in $L^{1}(R)+L^{2}(R).$

How to evaluate $\int_0^\infty \frac{\cos\left(\frac{t x}{\lambda} \right)}{t^ 3}\, \left(\int_0^t s^2\cos (s)\, ds\right)\, dt $?

Show that convolution product $f*g\in \mathcal{C}^{\infty}$ if $f,g\in L^{1}$ and$g\in \mathcal{C}^{\infty}.$

Is the Fourier transform bounded from $L^\infty$ to $L^\infty$?

A simple formula in finite group representation

Finding a 2D Fourier transform with a Contour Integral

Computing a mysterious Fourier transform

Inverse operator: what does it mean in Banach spaces?

Fourier-transform of uncertainty relation

2-dimensional Fourier transform interpretation

Two sided Laplace transform of convolution integral

Quick question about Fourier Transform

the value of the Fourier transform of $\phi$

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