Question

Net in $\mathcal{B}^*$ converging to unbounded functional

score 46 · Answer 1 · 2026-03-25 23:36:30

46

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Net in $\mathcal{B}^*$ converging to unbounded functional

Published on 25 Mar 2026 - 23:36

score 68 · Answer 2 · 2020-03-12 12:37:14

68

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An equality for fractional maximal function

Published on 12 Mar 2020 - 12:37

score 223 · Answer 3 · 2026-04-01 07:54:12

223

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Fourier transform of convolution and Plancherel's theorem

Published on 01 Apr 2026 - 7:54

score 210 · Answer 4 · 2020-03-13 13:26:46

210

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searching help for understanding the proof to Kolmogorov's Theorem

Published on 13 Mar 2020 - 13:26

score 650 · Answer 5 · 2020-03-18 20:27:59

650

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Is there a Peter-Weyl-Theorem over the real numbers?

Published on 18 Mar 2020 - 20:27

score 119 · Answer 6 · 2020-03-20 13:50:34

119

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Sobolev spaces of Measures

Published on 20 Mar 2020 - 13:50

score 27 · Answer 7 · 2020-03-20 16:58:19

27

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What is an adapted bump?

Published on 20 Mar 2020 - 16:58

score 200 · Answer 8 · 2020-03-22 01:09:15

200

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Solving the PDE $x_{1}\dfrac{\partial f}{\partial x_{1}}+x_{2}\dfrac{\partial f}{\partial x_{2}}=e^{f(x_{1},x_{2})}-\alpha.$

Published on 22 Mar 2020 - 1:09

score 179 · Answer 9 · 2026-04-01 09:30:06

179

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Find a smooth function with non-integrable derivative and slowly decaying Fourier transform

Published on 01 Apr 2026 - 9:30

score 67 · Answer 10 · 2020-03-23 03:41:41

67

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Show that the operators given by convolution with the $\sin t / t$ and the distribution p.v. $\cos t / t$ are bounded on $L^{p}(\mathbb{R})$

Published on 23 Mar 2020 - 3:41

score 101 · Answer 11 · 2020-03-23 04:28:13

101

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Let $f \in L^{2}(\mathbb{R}), x f \in L^{2}(\mathbb{R})$ and $\int_{\mathbb{R}} f(x) d x=0 .$ To show that $H f \in L^{1}(\mathbb{R})$

Published on 23 Mar 2020 - 4:28

score 118 · Answer 12 · 2020-03-25 15:57:02

118

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Understanding a particular estimate from Tao's Nonlinear Dispersive equations

Published on 25 Mar 2020 - 15:57

score 43 · Answer 13 · 2026-03-25 04:44:17

43

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$T:L^p \to L^p$ , $A$ a dense subset of $L^p$ , $T|_A $ is bounded and has an extension $T'$ . Can we show that $T=T'$ on $L^p$?

Published on 25 Mar 2026 - 4:44

score 141 · Answer 14 · 2020-03-31 01:44:01

141

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Derivation of Potential Estimate

Published on 31 Mar 2020 - 1:44

score 44 · Answer 15 · 2026-04-01 11:04:23

44

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Fourier transform of $K(x)=\log \left|\frac{1+x}{x}\right|$

Published on 01 Apr 2026 - 11:04

List Question

Net in $\mathcal{B}^*$ converging to unbounded functional

An equality for fractional maximal function

Fourier transform of convolution and Plancherel's theorem

searching help for understanding the proof to Kolmogorov's Theorem

Is there a Peter-Weyl-Theorem over the real numbers?

Sobolev spaces of Measures

What is an adapted bump?

Solving the PDE $x_{1}\dfrac{\partial f}{\partial x_{1}}+x_{2}\dfrac{\partial f}{\partial x_{2}}=e^{f(x_{1},x_{2})}-\alpha.$

Find a smooth function with non-integrable derivative and slowly decaying Fourier transform

Show that the operators given by convolution with the $\sin t / t$ and the distribution p.v. $\cos t / t$ are bounded on $L^{p}(\mathbb{R})$

Let $f \in L^{2}(\mathbb{R}), x f \in L^{2}(\mathbb{R})$ and $\int_{\mathbb{R}} f(x) d x=0 .$ To show that $H f \in L^{1}(\mathbb{R})$

Understanding a particular estimate from Tao's Nonlinear Dispersive equations

$T:L^p \to L^p$ , $A$ a dense subset of $L^p$ , $T|_A $ is bounded and has an extension $T'$ . Can we show that $T=T'$ on $L^p$?

Derivation of Potential Estimate

Fourier transform of $K(x)=\log \left|\frac{1+x}{x}\right|$

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