Characterization of compactness of commutators of bilinear singular integral operators
The commutators of bilinear Calderón-Zygmund operators and pointwise multiplication with a symbol in \textup {CMO} are bilinear compact operators on products of Lebesgue spaces. We show that, for certain non-degenerate Calderón-Zygmund operators, the symbol being in \textup {CMO} is not only suffici...
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Veröffentlicht in: | Proceedings of the American Mathematical Society 2018-09, Vol.146 (9), p.3943-3953 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The commutators of bilinear Calderón-Zygmund operators and pointwise multiplication with a symbol in \textup {CMO} are bilinear compact operators on products of Lebesgue spaces. We show that, for certain non-degenerate Calderón-Zygmund operators, the symbol being in \textup {CMO} is not only sufficient but actually necessary for the compactness of the commutators. |
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ISSN: | 0002-9939 1088-6826 |
DOI: | 10.1090/proc/14050 |