List questions from harmonic-analysis

Published on 01 Sep 2012 - 11:43

173

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Reference for: $G$ discrete iff the measure algebra $M(G)$ is weakly amenable.

Published on 17 Sep 2012 - 15:11

92

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Inequality for harmonic extension : Is $\int_{t\in S^1} |t-\zeta|^{\alpha}p(z,t) |dt| \leq K|z-\zeta|^{\alpha}, 0< \alpha < 1$ for uniform $K$?

Published on 29 Mar 2026 - 16:00

1.3k

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Nirenberg-Gagliardo- Sobolev inequalities

Published on 20 Sep 2012 - 17:42

266

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Consequences of Pontryagin Duality?

Published on 30 Mar 2026 - 11:57

214

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Necessary and sufficient conditions for $G$ to have $A(G)$ isomorphic to an operator algebra?

Published on 11 Apr 2026 - 21:05

222

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What is the "spectrum of $L^1(G)$"?

Published on 24 Sep 2012 - 1:00

363

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Computing the modularity function of upper triangular matrices

Published on 24 Sep 2012 - 16:28

1.6k

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Harmonic functions on $\mathbf{Z}^2$

Published on 29 Sep 2012 - 11:30

690

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On the regularity of the Laplace equations and tensor products and such

Published on 02 Oct 2012 - 16:33

740

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If $f$ is a bounded tempered distribution and $g \in L^1$ is then $\int_{\Bbb R^n}(f\ast\tilde\varphi)(x)\tilde g(x)\,dx$ a tempered distribution?

Published on 09 Apr 2026 - 0:52

423

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Maximum principle of harmonic function without mean value formula

Published on 08 Apr 2026 - 23:39

160

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Amenability of finite dimensional norm algebras

Published on 11 Apr 2026 - 16:05

56

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how to prove the convolution formular?

Published on 10 Apr 2026 - 17:33

1.3k

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How is the study of fractals related to Fourier/spectral/harmonic analysis?

Published on 11 Apr 2026 - 12:20

List Question

oscillatory integrals in one dimension

Reference for: $G$ discrete iff the measure algebra $M(G)$ is weakly amenable.

Inequality for harmonic extension : Is $\int_{t\in S^1} |t-\zeta|^{\alpha}p(z,t) |dt| \leq K|z-\zeta|^{\alpha}, 0< \alpha < 1$ for uniform $K$?

Nirenberg-Gagliardo- Sobolev inequalities

Consequences of Pontryagin Duality?

Necessary and sufficient conditions for $G$ to have $A(G)$ isomorphic to an operator algebra?

What is the "spectrum of $L^1(G)$"?

Computing the modularity function of upper triangular matrices

Harmonic functions on $\mathbf{Z}^2$

On the regularity of the Laplace equations and tensor products and such

If $f$ is a bounded tempered distribution and $g \in L^1$ is then $\int_{\Bbb R^n}(f\ast\tilde\varphi)(x)\tilde g(x)\,dx$ a tempered distribution?

Maximum principle of harmonic function without mean value formula

Amenability of finite dimensional norm algebras

how to prove the convolution formular?

How is the study of fractals related to Fourier/spectral/harmonic analysis?

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