Characterisation of the Weyl-Hörmander classes by time-frequency shifts

DOI10.1016/j.aim.2022.108742OpenAlexW4306252096MaRDI QIDQ2099085

Publication date: 23 November 2022

Published in: Advances in Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2112.14461

zbMATH Keywords

modulation spaces short-time Fourier transform Hörmander metric almost diagonalisation of pseudo-differential operators

Mathematics Subject Classification ID

Pseudodifferential operators as generalizations of partial differential operators (35S05) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Topological linear spaces of test functions, distributions and ultradistributions (46F05) Pseudodifferential operators (47G30)

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