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Weighted BMO and Hankel operators between weighted Bergman spaces

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We introduce a family of weighted BMO spaces in the Bergman metric on the unit ball of $\Bbb{C}^n$ and use them to characterize complex functions $f$ such that the big Hankel operators $H_f$ and $H\overline{_f}$ are both bounded or compact from a weighted Bergman space into a weighted Lesbegue space with possibly different exponents and different weights. As a consequence, when the symbol function $f$ is holomorphic, we characterize bounded and compact Hankel operators $H\overline{_f}$ between weighted Bergman spaces. In particular, this resolves two questions left open in [7, 12].

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PAU, Jordi, ZHAO, Ruhan, ZHU, Keke. Weighted BMO and Hankel operators between weighted Bergman spaces. _Indiana University Mathematics Journal_. 2016. Vol. 65, núm. 5, pàgs. 1639-1673. [consulta: 24 de gener de 2026]. ISSN: 0022-2518. [Disponible a: https://hdl.handle.net/2445/107046]

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