List questions from harmonic-analysis

Published on 11 Sep 2017 - 19:40

44

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Bounded linear map from $\mathscr{S} \to \mathscr{S}$

Published on 27 Mar 2026 - 10:08

62

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than what it means this notation $span\{^gf; \, g\in G\}$?

Published on 27 Mar 2026 - 0:02

365

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Embedding $L^\infty(\mathbb{R}^3)$ into Besov space

Published on 13 Sep 2017 - 1:10

163

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Density principle in Quasi-Banach Space

Published on 21 Sep 2017 - 14:08

276

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Radial limit of a Poisson integral of a measure

Published on 04 Apr 2026 - 15:10

772

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Lower Bound on Decay of Convolution

Published on 06 Apr 2026 - 14:15

796

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Does Lipschitz continuous function only has a countable non-differentiable points?

Published on 25 Sep 2017 - 4:47

99

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On Riesz basis of exponentials

Published on 26 Sep 2017 - 6:55

735

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Roadmap to understand the link between spherical harmonics and Riemann sphere?

Published on 25 Mar 2026 - 12:55

73

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How to show that $\|x^\alpha \delta^\beta f\|^p \leq C \sum _{|\gamma|\leq d+1}\|x^{\alpha+\gamma}\delta^\beta f\|_\infty$?

Published on 27 Mar 2026 - 10:12

67

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Show that, $ f(x)= e ^{-\pi|x|^2}\in\mathcal S (\mathbb R^d)$.

Published on 27 Mar 2026 - 10:09

912

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Definition of Schwartz functions

Published on 27 Mar 2026 - 10:15

37

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estimate series by $log(e+x)$

Published on 02 Oct 2017 - 4:20

170

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About Wiener-Tauberian theorem

Published on 31 Mar 2026 - 5:58

List Question

An inequality for the Poisson integral of an $L^p$ function

Bounded linear map from $\mathscr{S} \to \mathscr{S}$

than what it means this notation $span\{^gf; \, g\in G\}$?

Embedding $L^\infty(\mathbb{R}^3)$ into Besov space

Density principle in Quasi-Banach Space

Radial limit of a Poisson integral of a measure

Lower Bound on Decay of Convolution

Does Lipschitz continuous function only has a countable non-differentiable points?

On Riesz basis of exponentials

Roadmap to understand the link between spherical harmonics and Riemann sphere?

How to show that $\|x^\alpha \delta^\beta f\|^p \leq C \sum _{|\gamma|\leq d+1}\|x^{\alpha+\gamma}\delta^\beta f\|_\infty$?

Show that, $ f(x)= e ^{-\pi|x|^2}\in\mathcal S (\mathbb R^d)$.

Definition of Schwartz functions

estimate series by $log(e+x)$

About Wiener-Tauberian theorem

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