List questions from fourier-analysis

Published on 12 Mar 2018 - 18:09

1.5k

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Heat kernel on the unit circle $\mathbb{R}/\mathbb{Z}$

Published on 24 Mar 2026 - 22:11

494

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The Hat of the Hat

Published on 13 Mar 2018 - 13:23

394

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Inverse Fourier Transform of $\frac{1}{1-\omega^2}$

Published on 13 Mar 2018 - 16:24

228

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Time shifted Fourier series

Published on 25 Mar 2026 - 12:48

208

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Delta distribution is not induced by and tempered function

Published on 25 Mar 2026 - 4:36

638

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Fourier Transform of $ e^ {t/2} \operatorname{sech}(t) $

Published on 25 Mar 2026 - 3:02

48

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Deducing Fourier expansion from action of infinitesimal generators

Published on 22 Mar 2026 - 11:13

26

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Finding the impulse reponse efficiently

Published on 25 Mar 2026 - 10:59

106

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Rudin's Proof of the Dirichlet Problem

Published on 29 Mar 2026 - 11:00

21

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Showing that a function cannot be at once Gabor, smooth, and compactly supported.

Published on 16 Mar 2018 - 14:53

103

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Can the integral $\int_0^{\infty} \sin\big( [x-y]p \big) dp$ be related to a Dirac Delta function?

Published on 25 Mar 2026 - 1:37

65

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Random Watches on a table - Can this be solved using Fourier Analysis?

Published on 17 Mar 2018 - 0:40

2.6k

Views

How to check a function is positive definite?

Published on 25 Mar 2026 - 18:16

175

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Nyquist theorems for sampling in regularly spaced Taylor bases?

Published on 25 Mar 2026 - 7:40

List Question

How do I find the fourier series of $\sin^3x$ using $\cos$ and $\sin$?

Heat kernel on the unit circle $\mathbb{R}/\mathbb{Z}$

The Hat of the Hat

Inverse Fourier Transform of $\frac{1}{1-\omega^2}$

Time shifted Fourier series

Delta distribution is not induced by and tempered function

Fourier Transform of $ e^ {t/2} \operatorname{sech}(t) $

Deducing Fourier expansion from action of infinitesimal generators

Finding the impulse reponse efficiently

Rudin's Proof of the Dirichlet Problem

Showing that a function cannot be at once Gabor, smooth, and compactly supported.

Can the integral $\int_0^{\infty} \sin\big( [x-y]p \big) dp$ be related to a Dirac Delta function?

Random Watches on a table - Can this be solved using Fourier Analysis?

How to check a function is positive definite?

Nyquist theorems for sampling in regularly spaced Taylor bases?

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