List questions from fourier-analysis

Published on 12 Apr 2026 - 15:34

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

Published on 10 May 2026 - 14:50

497

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The Hat of the Hat

Published on 10 Apr 2026 - 22:14

397

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

Published on 12 Apr 2026 - 20:05

232

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Time shifted Fourier series

Published on 10 May 2026 - 16:12

211

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Delta distribution is not induced by and tempered function

Published on 10 May 2026 - 15:54

642

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

Published on 10 May 2026 - 15:47

68

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Deducing Fourier expansion from action of infinitesimal generators

Published on 07 May 2026 - 17:57

30

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Finding the impulse reponse efficiently

Published on 10 May 2026 - 16:07

109

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Rudin's Proof of the Dirichlet Problem

Published on 13 May 2026 - 22:31

24

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

Published on 11 Apr 2026 - 10:54

106

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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 10 May 2026 - 18:05

68

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

Published on 12 Apr 2026 - 18:00

2.6k

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How to check a function is positive definite?

Published on 13 May 2026 - 17:54

179

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Nyquist theorems for sampling in regularly spaced Taylor bases?

Published on 10 May 2026 - 15:44

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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