Products of Block Toeplitz operators
classification
🧮 math.FA
keywords
blocktoeplitzoperatorscompactcharacterizecommutatorconditionsdisk
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In this paper we characterize when the product of two block Toeplitz operators is a compact perturbation of a block Toeplitz operator on the Hardy space of the open unit disk. Necessary and sufficient conditions are given for the commutator of two block Toeplitz operators to be compact.
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