Question

If $f$ is smooth and the inverse Fourier transform is zero

score 142 · Answer 1 · 2020-04-08 18:03:08

142

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If $f$ is smooth and the inverse Fourier transform is zero

Published on 08 Apr 2020 - 18:03

score 117 · Answer 2 · 2026-04-13 19:44:21

117

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Development of the inverse Fourier transform to show that complex exponentials cancel each other

Published on 13 Apr 2026 - 19:44

score 38 · Answer 3 · 2026-03-29 03:36:43

38

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What's the spectrum of $\cos(\sum_{n} A_n\cos(n*\Delta\omega t+n\phi)$?

Published on 29 Mar 2026 - 3:36

score 67 · Answer 4 · 2026-04-12 14:44:48

67

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Sobolev Spaces and the Zygmund Class estimate

Published on 12 Apr 2026 - 14:44

score 42 · Answer 5 · 2026-04-11 01:21:05

42

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Is $\int \hat{g} h = \int g \check{h}$?

Published on 11 Apr 2026 - 1:21

score 55 · Answer 6 · 2026-03-25 16:01:40

55

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Is there a real version of the non-commutative Fourier transform?

Published on 25 Mar 2026 - 16:01

score 52 · Answer 7 · 2026-04-11 10:28:19

52

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Difference between $n$-th partial sums of Fourier series

Published on 11 Apr 2026 - 10:28

score 113 · Answer 8 · 2020-04-10 00:11:34

113

Views

Find the Fourier series for $f(x)=x^2$ in terms of $\{1,\cos(2\pi\theta),\sin(2\pi\theta),\cos(4\pi\theta),\sin(4\pi\theta),\dots\}$

Published on 10 Apr 2020 - 0:11

score 398 · Answer 9 · 2026-04-13 12:42:59

398

Views

Differentiation under integral sign holomorphic function.

Published on 13 Apr 2026 - 12:42

score 2.3k · Answer 10 · 2026-04-12 15:24:49

2.3k

Views

Compact formula for the Fourier transform of $x^n$ exists?

Published on 12 Apr 2026 - 15:24

score 70 · Answer 11 · 2026-03-30 05:00:04

70

Views

Verify and show that the following is a distribution and prove if it is a tempered distribution

Published on 30 Mar 2026 - 5:00

score 48 · Answer 12 · 2026-04-12 16:56:21

48

Views

Calculate the integral using the Fourier coefficients

Published on 12 Apr 2026 - 16:56

score 126 · Answer 13 · 2026-04-11 22:28:20

126

Views

Proving that two integrals are proportional to each other (Fourier Analysis)

Published on 11 Apr 2026 - 22:28

score 46 · Answer 14 · 2026-04-10 12:07:08

46

Views

How to select the limits of integration for fourier coeffecients

Published on 10 Apr 2026 - 12:07

score 48 · Answer 15 · 2026-04-12 17:40:46

48

Views

Argument variable vs. indexed variable in Fourier transform.

Published on 12 Apr 2026 - 17:40

List Question

If $f$ is smooth and the inverse Fourier transform is zero

Development of the inverse Fourier transform to show that complex exponentials cancel each other

What's the spectrum of $\cos(\sum_{n} A_n\cos(n*\Delta\omega t+n\phi)$?

Sobolev Spaces and the Zygmund Class estimate

Is $\int \hat{g} h = \int g \check{h}$?

Is there a real version of the non-commutative Fourier transform?

Difference between $n$-th partial sums of Fourier series

Find the Fourier series for $f(x)=x^2$ in terms of $\{1,\cos(2\pi\theta),\sin(2\pi\theta),\cos(4\pi\theta),\sin(4\pi\theta),\dots\}$

Differentiation under integral sign holomorphic function.

Compact formula for the Fourier transform of $x^n$ exists?

Verify and show that the following is a distribution and prove if it is a tempered distribution

Calculate the integral using the Fourier coefficients

Proving that two integrals are proportional to each other (Fourier Analysis)

How to select the limits of integration for fourier coeffecients

Argument variable vs. indexed variable in Fourier transform.

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