A Beals criterion for magnetic pseudodifferential operators proved with magnetic Gabor frames
arXiv:1804.05220 · doi:10.1080/03605302.2018.1499777
Abstract
First, we give a new proof for the Beals commutator criterion for non-magnetic Weyl pseudo-differential operators based on classical Gabor tight frames. Second, by introducing a modified 'magnetic' Gabor tight frame, we naturally derive the magnetic analogue of the Beals criterion originally considered by Iftimie-Măntoiu-Purice.
8 pages, to appear in Commun. P.D.E
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