List questions from fourier-analysis

Published on 13 Apr 2026 - 7:57

146

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Norm in the space of absolutely convergent Fourier series

Published on 11 Apr 2026 - 19:50

41

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A priori inequality in proving $l^\infty$ is not $L^p(\mathbb T)$ multipliers

Published on 17 Apr 2026 - 8:47

35

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Explicit example of $f\in\mathcal{D}(\mathbb{R}^{3})$

Published on 11 Apr 2026 - 22:31

1.7k

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What is the fourier transform of $xf'(x)$?

Published on 11 Apr 2026 - 6:00

69

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Mistake in fourier series

Published on 12 Apr 2026 - 5:56

76

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I want to show fourier series by using matlab. help me.

Published on 14 Apr 2026 - 8:42

104

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What is the meaning of the phrase "localizing the value of a function"?

Published on 11 Apr 2026 - 6:01

2.8k

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fourier transform is a bijective transformation

Published on 09 Apr 2026 - 13:41

302

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Relationship between decay of the Fourier transform and the smoothness of $f$

Published on 16 Apr 2026 - 3:01

83

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Local linear operator in physical and Fourier space

Published on 25 Apr 2026 - 1:55

53

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Examples Criterion to determine conditions a series is Fourier or not an examples

Published on 14 Apr 2026 - 18:42

57

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Calculation of Fourier coefficients

Published on 10 Apr 2026 - 17:06

310

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Fourier coefficients, and density of a subspace

Published on 10 Apr 2026 - 5:16

1.3k

Views

Proof: If a function is in the Schwartz Space, then this function is uniformly continuous

Published on 10 Apr 2026 - 21:22

List Question

If $H \subseteq G$ are finite abelian groups, how does $L^2(H)$ embed into $L^2(G)$?

Norm in the space of absolutely convergent Fourier series

A priori inequality in proving $l^\infty$ is not $L^p(\mathbb T)$ multipliers

Explicit example of $f\in\mathcal{D}(\mathbb{R}^{3})$

What is the fourier transform of $xf'(x)$?

Mistake in fourier series

I want to show fourier series by using matlab. help me.

What is the meaning of the phrase "localizing the value of a function"?

fourier transform is a bijective transformation

Relationship between decay of the Fourier transform and the smoothness of $f$

Local linear operator in physical and Fourier space

Examples Criterion to determine conditions a series is Fourier or not an examples

Calculation of Fourier coefficients

Fourier coefficients, and density of a subspace

Proof: If a function is in the Schwartz Space, then this function is uniformly continuous

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