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The numerical range of a Toeplitz operator
E. M. Klein
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Source: Crossref
Published: Sep 1, 1972
DOI: 10.1090/s0002-9939-1972-0296725-4
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In this paper we explicitly compute the numerical range of an arbitrary Toeplitz operator on the classical Hardy space H 2 {H^2} of the unit circle. In particular, we show that the numerical range depends only on the spectrum of the given Toeplitz operator. Several special cases are also considered.
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