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Microlocal properties of Shubin pseudodifferential and localization operators

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Abstract

We investigate global microlocal properties of localization operators and Shubin pseudodifferential operators. The microlocal regularity is measured in terms of a scale of Shubin-type Sobolev spaces. In particular, we prove microlocality and microellipticity of these operators.

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Notes

  1. The STFT is also called Gabor transform in case \(\psi =\psi _0\) and is closely connected to the so-called Bargmann and Fourier–Bros–Iagolnitzer transforms.

  2. This notion is also called the wave front set of \(a^w(x,D)\) in [8, Chapter 18.1] and the essential support of \(a^w(x,D)\) in [19].

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Correspondence to Patrik Wahlberg.

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Schulz, R., Wahlberg, P. Microlocal properties of Shubin pseudodifferential and localization operators. J. Pseudo-Differ. Oper. Appl. 7, 91–111 (2016). https://doi.org/10.1007/s11868-015-0143-7

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  • DOI: https://doi.org/10.1007/s11868-015-0143-7

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