Abstract.
We prove that a bounded operator S on L p a for p > 1 is compact if and only if the Berezin transform of S vanishes on the boundary of the unit disk if S satisfies some integrable conditions. Some estimates about the norm and essential norm of Toeplitz operators with symbols in BT are obtained.
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Miao, J., Zheng, D. Compact Operators on Bergman Spaces. Integr. equ. oper. theory 48, 61–79 (2004). https://doi.org/10.1007/s00020-002-1176-x
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DOI: https://doi.org/10.1007/s00020-002-1176-x