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PDF Availablehttps://doi.org/10.2140/pjm.1998.185.115
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Cite Journal: Pacific Journal of Mathematics |  Publication Date: Sep 1, 1998 |
 Citations: 19 |
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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