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Phase Space Localizing Operators by Fraccaroli, Marco; Saari, Olli; Thiele, Christoph is a scholarly article available to read on EtoBox.

What is Phase Space Localizing Operators about?

We construct phase space localizing operators in all dimensions. These are frequency localized variants of the conditional expectation operator related to a dyadic stopping time. Our construction is an improvement over the so-called phase plane projections of Muscalu, Tao and the third author in one dimension. The motivation for such operators comes from time-frequency analysis. They are used in particular to prove uniform estimates for multilinear modulation invariant operators.

Author

Fraccaroli, Marco; Saari, Olli; Thiele, Christoph

Published

2022

Language

EN