List questions from fourier-analysis

Published on 13 Apr 2026 - 18:04

33

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Seeming discrepancy between two Fourier transforms

Published on 12 Apr 2026 - 4:56

244

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even Schwartz function produces radial Schwartz function

Published on 13 Apr 2026 - 6:01

34

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Does the set of irreps of a compact Lie group carry an algebraic structure?

Published on 11 Apr 2026 - 22:19

507

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Fourier transform of measure on $\mathbb{T}$

Published on 11 Apr 2026 - 18:15

22

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Can we expect that $\mathcal{F}L^1(\mathbb R^d) \subset H^s(\mathbb R^d)$ for $s<0$?

Published on 02 Apr 2026 - 22:41

111

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Need help understanding a proof on sets of divergence

Published on 27 Mar 2026 - 22:20

105

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Finding a bound for the norm of the Frame operator

Published on 11 Apr 2026 - 2:49

1.2k

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uniform convergence of a Fourier series to a continuous periodic function on $[-\pi,\pi]$

Published on 11 Apr 2026 - 4:54

61

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Convergence of smoothing operators, Schwarz seminorms and mistakes in the book Modern Fourier Analysis

Published on 11 Apr 2026 - 7:57

61

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General form of a $2\pi$-periodic $C^2$ function satisfying a certain condition

Published on 13 Apr 2026 - 14:59

92

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Alternative definition of Dirac function

Published on 11 Apr 2026 - 5:22

47

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How to get the $(d\sigma)^{\lor}(x)\lesssim_{d} |x|^{-(d-1)/2}$?

Published on 20 Apr 2020 - 21:59

170

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Square integrable functions on T

Published on 14 Apr 2026 - 6:17

57

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Textbook reccommendations

Published on 09 Apr 2026 - 11:28

List Question

Stochastic process simulation, periodogram implementation, MATLAB, frequecy range

Seeming discrepancy between two Fourier transforms

even Schwartz function produces radial Schwartz function

Does the set of irreps of a compact Lie group carry an algebraic structure?

Fourier transform of measure on $\mathbb{T}$

Can we expect that $\mathcal{F}L^1(\mathbb R^d) \subset H^s(\mathbb R^d)$ for $s<0$?

Need help understanding a proof on sets of divergence

Finding a bound for the norm of the Frame operator

uniform convergence of a Fourier series to a continuous periodic function on $[-\pi,\pi]$

Convergence of smoothing operators, Schwarz seminorms and mistakes in the book Modern Fourier Analysis

General form of a $2\pi$-periodic $C^2$ function satisfying a certain condition

Alternative definition of Dirac function

How to get the $(d\sigma)^{\lor}(x)\lesssim_{d} |x|^{-(d-1)/2}$?

Square integrable functions on T

Textbook reccommendations

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