List questions from pseudo-differential-operators

226

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$\displaystyle g(x):=\int_{\mathbb R^n} e^{2\pi ix\cdot \xi} e^{-\frac{|\xi|^2}{2}} \widehat{f}(\xi)\ d\xi$ is not compact supported?

Published on 26 Feb 2015 - 0:31

352

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Composition of Pseudodifferential Operators - Remainder term of Asymptotic Expansion

Published on 30 May 2015 - 4:47

70

Views

How to show this inequality involving derivatives of a smooth function?

Published on 02 Jun 2015 - 12:16

208

Views

Problem with double integral using Fourier transform?

Published on 06 Jun 2015 - 15:32

39

Views

Elliptic regularity of second order pseudos

Published on 14 Jun 2015 - 18:28

691

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Basic examples of functions in Hörmander class

Published on 01 Aug 2015 - 19:31

75

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Ellipticity of an operator in Gunther's proof of the isometric embedding

Published on 15 Aug 2015 - 11:49

285

Views

Inverse Fourier Transform involving inverse square root

Published on 03 Sep 2015 - 8:03

257

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Characteristic Variety of the Principal Symbol solves PDE system?

Published on 13 Oct 2015 - 19:36

947

Views

Gårding's inequality for $\mathbb R^n$ implies that for bounded smooth domains?

Published on 11 Nov 2015 - 10:17

25

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k-symbol differential opeartor L, and its independent of choices.

Published on 25 Nov 2015 - 3:55

122

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How far can we push the Schwartz kernel theorem?

Published on 02 Mar 2026 - 3:39

330

Views

Show that a regularizing operator $K : C_c(\Omega) \to \mathcal{D}'(\Omega)$ has kernel $k \in C^\infty(\Omega \times \Omega)$.

Published on 02 Mar 2026 - 4:22

301

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Wells 'Differential Analysis on Complex Manifolds' page 127

Published on 02 Apr 2016 - 15:26

1.4k

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Composition of pseudo-differential operators

Published on 03 Apr 2013 - 18:26

List Question

$\displaystyle g(x):=\int_{\mathbb R^n} e^{2\pi ix\cdot \xi} e^{-\frac{|\xi|^2}{2}} \widehat{f}(\xi)\ d\xi$ is not compact supported?

Composition of Pseudodifferential Operators - Remainder term of Asymptotic Expansion

How to show this inequality involving derivatives of a smooth function?

Problem with double integral using Fourier transform?

Elliptic regularity of second order pseudos

Basic examples of functions in Hörmander class

Ellipticity of an operator in Gunther's proof of the isometric embedding

Inverse Fourier Transform involving inverse square root

Characteristic Variety of the Principal Symbol solves PDE system?

Gårding's inequality for $\mathbb R^n$ implies that for bounded smooth domains?

k-symbol differential opeartor L, and its independent of choices.

How far can we push the Schwartz kernel theorem?

Show that a regularizing operator $K : C_c(\Omega) \to \mathcal{D}'(\Omega)$ has kernel $k \in C^\infty(\Omega \times \Omega)$.

Wells 'Differential Analysis on Complex Manifolds' page 127

Composition of pseudo-differential operators

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