List questions from fourier-analysis

Published on 14 May 2026 - 7:13

61

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For $f\in L^{\infty}(\mathbb R^n\ltimes SO(n))$ I do not understand this equality?

Published on 11 May 2026 - 0:53

214

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Divergence theorem for fractional Laplacian operator

Published on 14 May 2026 - 5:05

139

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Probability density of the fractional part of |σZ| as σ→∞?

Published on 12 May 2026 - 2:58

111

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How to find this complex Fourier series

Published on 11 Apr 2026 - 11:40

487

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Strong type inequality $(p,q)$ implies weak type inequality $(p,q)$?

Published on 16 Apr 2026 - 23:00

4.6k

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Fourier transform of radially symmetric functions + references

Published on 11 May 2026 - 6:19

540

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Fourier series convergence in $C^\infty(\mathbb{R}^N)$

Published on 10 May 2026 - 17:13

107

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Solving exercise 1.6.1 in katznelson's book

Published on 16 Apr 2026 - 7:19

458

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A proof for a Hardy inequality for holomorphic functions in Hardy space $H^1$

Published on 14 May 2026 - 1:37

7.6k

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Why do we use trig functions in Fourier transforms, and not other periodic functions?

Published on 10 May 2026 - 14:31

30

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Finding $|\psi(x,t)|^2$, $\sigma_x$ and $\sigma_p$ given $\widetilde\psi(k) = Ce^{-(k-k_0)^2d^2}$ (Gaussian wave packet)

Published on 10 May 2026 - 13:50

44

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Expression for FFT of parametric function

Published on 13 Apr 2026 - 7:07

328

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Partial integration in MATLAB

Published on 14 May 2026 - 9:56

34

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Calculate the Fourier Coefficient for $\ x^2 sin(x)$

Published on 15 Apr 2026 - 22:36

List Question

Alternate proof of Dirichlet integral $\frac{\sin(x)}{x}$.

For $f\in L^{\infty}(\mathbb R^n\ltimes SO(n))$ I do not understand this equality?

Divergence theorem for fractional Laplacian operator

Probability density of the fractional part of |σZ| as σ→∞?

How to find this complex Fourier series

Strong type inequality $(p,q)$ implies weak type inequality $(p,q)$?

Fourier transform of radially symmetric functions + references

Fourier series convergence in $C^\infty(\mathbb{R}^N)$

Solving exercise 1.6.1 in katznelson's book

A proof for a Hardy inequality for holomorphic functions in Hardy space $H^1$

Why do we use trig functions in Fourier transforms, and not other periodic functions?

Finding $|\psi(x,t)|^2$, $\sigma_x$ and $\sigma_p$ given $\widetilde\psi(k) = Ce^{-(k-k_0)^2d^2}$ (Gaussian wave packet)

Expression for FFT of parametric function

Partial integration in MATLAB

Calculate the Fourier Coefficient for $\ x^2 sin(x)$

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