A Remark on the Essential Spectra of Toeplitz Operators with Bounded Measurable Coefficients |
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| Authors: | Eugene Shargorodsky |
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| Affiliation: | (1) Department of Mathematics, King’s College London, Strand, London, WC2R 2LS, UK |
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| Abstract: | ![]()
We establish a sufficient condition for a point to belong to the essential spectrum of a Toeplitz operator with a bounded measurable coefficient. This condition uses geometric information on the cluster values of the coefficient. |
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| Keywords: | Mathematics Subject Classification (2000). Primary 47B35 Secondary 45E05 |
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