Abstract
In this paper we consider Toeplitz operators on the Dirichlet space of the ball. We first characterize the compactness of operators which are finite sums of products of two Toeplitz operators. We also characterize Fredholm Toeplitz operators and describe the essential norm of Toeplitz operators. By using these results, we establish a short exact sequence associated with the $C^*$-algebra generated by all Toeplitz operators.
Citation
Young Joo Lee. "Compact sums of Toeplitz products and Toeplitz algebra on the Dirichlet space." Tohoku Math. J. (2) 68 (2) 253 - 271, 2016. https://doi.org/10.2748/tmj/1466172772
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