List questions from fourier-analysis

Published on 12 Apr 2026 - 19:43

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I can’t find this proof

Published on 12 Apr 2020 - 13:04

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Fourier's trick: example of simple way of finding the Fourier coefficients

Published on 10 Apr 2026 - 23:22

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Can Group of affine transformations generate CWT?

Published on 25 Mar 2026 - 6:04

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Prove the uniform convergence of Fourier series

Published on 09 Apr 2026 - 8:28

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Distribution on n-dimensional torus

Published on 13 Apr 2026 - 15:37

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How do I show density in Sobolev Space?

Published on 10 Apr 2026 - 14:39

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Showing that $\int_{-\infty}^{\infty}\frac{x^2}{(x^2+a^2)(x^2+b^2)}dx=\frac{\pi}{a+b}$ via Fourier Transform

Published on 01 Apr 2026 - 14:07

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Does there exist a function $c(k)$ such that $\int_{\mathbb R}c(k)e^{ikx}dk$ is square integrable?

Published on 13 Apr 2026 - 2:05

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Determine function $f(x)$

Published on 12 Apr 2026 - 1:30

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Let $f\in L^{\infty}$, its that true $Pf\in H^{\infty}$?

Published on 25 Mar 2026 - 5:09

39

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(Non-trivial) Fourier series coefficients

Published on 12 Apr 2026 - 21:56

620

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Computing the Fourier transform of a complex-valued function

Published on 11 Apr 2026 - 4:51

116

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Couterexample to Littlewood-Paley theorem

Published on 09 Apr 2026 - 21:00

30

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real valued function with "irregular" forced roots

Published on 11 Apr 2026 - 19:24

List Question

Construct the continuous function whose Fourier series diverges at 0.

I can’t find this proof

Fourier's trick: example of simple way of finding the Fourier coefficients

Can Group of affine transformations generate CWT?

Prove the uniform convergence of Fourier series

Distribution on n-dimensional torus

How do I show density in Sobolev Space?

Showing that $\int_{-\infty}^{\infty}\frac{x^2}{(x^2+a^2)(x^2+b^2)}dx=\frac{\pi}{a+b}$ via Fourier Transform

Does there exist a function $c(k)$ such that $\int_{\mathbb R}c(k)e^{ikx}dk$ is square integrable?

Determine function $f(x)$

Let $f\in L^{\infty}$, its that true $Pf\in H^{\infty}$?

(Non-trivial) Fourier series coefficients

Computing the Fourier transform of a complex-valued function

Couterexample to Littlewood-Paley theorem

real valued function with "irregular" forced roots

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