Question

Fourier transform with branch cuts

score 416 · Answer 1 · 2026-04-17 17:49:08

416

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Fourier transform with branch cuts

Published on 17 Apr 2026 - 17:49

score 2.2k · Answer 2 · 2026-04-08 18:12:15

2.2k

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Fourier transform of a truncated Gaussian function

Published on 08 Apr 2026 - 18:12

score 236 · Answer 3 · 2026-04-11 13:35:01

236

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Fourier Transform leading to $\delta$: How does the Integration work?

Published on 11 Apr 2026 - 13:35

score 71 · Answer 4 · 2026-03-25 23:58:48

71

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Prove $\sinh1\Bigl(1+2{\sum}_{n=1}^{\infty}\frac{(-1)^{n}}{(n\pi)^2+1}\Bigr)=1$ for $-1\lt x \lt 1$

Published on 25 Mar 2026 - 23:58

score 145 · Answer 5 · 2026-04-11 14:46:30

145

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Is the map from the space of Borel measure on $\mathbb{T}$ to the space of bounded sequences on $\mathbb{Z}$ non-surjective?

Published on 11 Apr 2026 - 14:46

score 419 · Answer 6 · 2026-04-17 22:12:26

419

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Fourier Transform of a CFT two point function

Published on 17 Apr 2026 - 22:12

score 335 · Answer 7 · 2026-04-10 08:39:16

335

Views

HALF SOLVED: Fourier inversion formula convergence

Published on 10 Apr 2026 - 8:39

score 392 · Answer 8 · 2026-04-11 22:19:17

392

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Does the Fourier transform have an infinite number of eigenvalues?

Published on 11 Apr 2026 - 22:19

score 102 · Answer 9 · 2026-04-13 00:39:18

102

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What does the result of a fourier transform mean, how is it interpreted?

Published on 13 Apr 2026 - 0:39

score 48 · Answer 10 · 2026-04-13 03:46:36

48

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Derivation of First order derivation of Fourier transform

Published on 13 Apr 2026 - 3:46

score 627 · Answer 11 · 2026-04-10 09:55:56

627

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The integration of a rapidly decreasing function is bounded?

Published on 10 Apr 2026 - 9:55

score 126 · Answer 12 · 2026-04-11 06:59:40

126

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How to calculate the following fourier transform?

Published on 11 Apr 2026 - 6:59

score 260 · Answer 13 · 2026-03-25 23:52:18

260

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Show that $|x|=\frac{\pi}{2} - \frac{4}{\pi}\sum\limits_{k=0}^\infty\frac{\cos\left((2k+1)x\right)}{(2k+1)^2}$

Published on 25 Mar 2026 - 23:52

score 448 · Answer 14 · 2026-03-26 21:26:23

448

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Fractional Sobolev spaces on the circle with a Littlewood-Paley characterisation

Published on 26 Mar 2026 - 21:26

score 423 · Answer 15 · 2026-04-11 13:02:09

423

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Derive Hausdorff-Young inequality from Paley's inequality

Published on 11 Apr 2026 - 13:02

List Question

Fourier transform with branch cuts

Fourier transform of a truncated Gaussian function

Fourier Transform leading to $\delta$: How does the Integration work?

Prove $\sinh1\Bigl(1+2{\sum}_{n=1}^{\infty}\frac{(-1)^{n}}{(n\pi)^2+1}\Bigr)=1$ for $-1\lt x \lt 1$

Is the map from the space of Borel measure on $\mathbb{T}$ to the space of bounded sequences on $\mathbb{Z}$ non-surjective?

Fourier Transform of a CFT two point function

HALF SOLVED: Fourier inversion formula convergence

Does the Fourier transform have an infinite number of eigenvalues?

What does the result of a fourier transform mean, how is it interpreted?

Derivation of First order derivation of Fourier transform

The integration of a rapidly decreasing function is bounded?

How to calculate the following fourier transform?

Show that $|x|=\frac{\pi}{2} - \frac{4}{\pi}\sum\limits_{k=0}^\infty\frac{\cos\left((2k+1)x\right)}{(2k+1)^2}$

Fractional Sobolev spaces on the circle with a Littlewood-Paley characterisation

Derive Hausdorff-Young inequality from Paley's inequality

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