Hankel operators with discontinuous symbol

Author:

Power Stephen

Abstract

Douglas’s localisation theory for Toeplitz operators is used to show that there exist certain Hankel operators with discontinuous symbols which do not lie in the C {C^\ast } -algebra generated by the Toeplitz operators. As a simple corollary we also see that these operators do not lie in the closed linear span of the positive Hankel operators.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference5 articles.

1. A proof of Hartman’s theorem on compact Hankel operators;Bonsall, F. F.;Math. Proc. Cambridge Philos. Soc.,1975

2. Pure and Applied Mathematics, Vol. 49;Douglas, Ronald G.,1972

3. On completely continuous Hankel matrices;Hartman, Philip;Proc. Amer. Math. Soc.,1958

4. S. C. Power, Intertwining operators, Ph.D. Thesis, Univ. of Edinburgh, 1976.

5. Hankel matrices;Widom, Harold;Trans. Amer. Math. Soc.,1966

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1. The Spectral Density of Hankel Operators with Piecewise Continuous Symbols;Integral Equations and Operator Theory;2019-11-30

2. On determinants identity minus Hankel matrix;Bulletin of the London Mathematical Society;2019-06-17

3. Localization principle for compact Hankel operators;Journal of Functional Analysis;2016-05

4. Hankel operators in the set of essential Toeplitz operators;Acta Mathematica Sinica;1990-12

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