List questions from microlocal-analysis

Published on 10 Oct 2013 - 3:39

495

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Applications of Microfunctions

Published on 31 Oct 2013 - 20:14

251

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semiclassical principal symbol

Published on 01 Feb 2014 - 22:46

77

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When it is possible to integrate an oscillatory integral?

Published on 10 Feb 2014 - 10:51

280

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Wave front set of vector-valued Dirac delta distribution

Published on 13 Apr 2017 - 15:38

82

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If $F(x,a) \in C^\infty$ and $DF_x(x_0, a_0)$ is nonsingular , is $x \to F(x,a)$ a diffeomorphism for all $a$ near $a_0$?

Published on 11 Jul 2017 - 19:01

294

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Extension of Pseudodifferential Operator to the real line

Published on 25 Mar 2026 - 9:27

64

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Maths and Economics

Published on 25 Mar 2026 - 12:40

588

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The inverse of a $\Psi$DO is a $\Psi$DO

Published on 25 Mar 2026 - 11:02

159

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ELI5: what Microlocal analysis (generalization of Fourier analysis) generalizes? What does it do?

Published on 24 Aug 2020 - 2:09

52

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Heuristics of overdetermined systems made precise

Published on 01 Dec 2020 - 19:08

201

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What is the meaning of $\flat$ and $\sharp$ in this smoothing operator? $M^\sharp(x,\xi)=\sum_k \Psi_0(2^{-k\delta}D)m_k(x)\;\psi_{k+1}(\xi) $

Published on 25 Mar 2026 - 12:28

219

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What is an analytic coefficient? (Kashiwara)

Published on 25 Mar 2026 - 9:24

86

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How definition of wavefront set capture non smoothness in particular direction?

Published on 21 Apr 2021 - 12:22

61

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Product with a smooth function, Sobolev regularity and pseudo-differential operator

Published on 25 Mar 2026 - 12:23

List Question

Implicit function theorem for pseudo-differential operators

Applications of Microfunctions

semiclassical principal symbol

When it is possible to integrate an oscillatory integral?

Wave front set of vector-valued Dirac delta distribution

If $F(x,a) \in C^\infty$ and $DF_x(x_0, a_0)$ is nonsingular , is $x \to F(x,a)$ a diffeomorphism for all $a$ near $a_0$?

Extension of Pseudodifferential Operator to the real line

Maths and Economics

The inverse of a $\Psi$DO is a $\Psi$DO

ELI5: what Microlocal analysis (generalization of Fourier analysis) generalizes? What does it do?

Heuristics of overdetermined systems made precise

What is the meaning of $\flat$ and $\sharp$ in this smoothing operator? $M^\sharp(x,\xi)=\sum_k \Psi_0(2^{-k\delta}D)m_k(x)\;\psi_{k+1}(\xi) $

What is an analytic coefficient? (Kashiwara)

How definition of wavefront set capture non smoothness in particular direction?

Product with a smooth function, Sobolev regularity and pseudo-differential operator

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