Fast Toeplitz Orthogonalization.
D.R. Sweet (1984)
Numerische Mathematik
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D.R. Sweet (1984)
Numerische Mathematik
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D.R. Sweet (1990/91)
Numerische Mathematik
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A.W. Bojanczyk, R.P., de Hoog, F. de Brent (1986)
Numerische Mathematik
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G. Heinig, P. Jankowski, K. Rost (1987/88)
Numerische Mathematik
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E.H. BAREISS (1969)
Numerische Mathematik
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Il'in, S.N. (2004)
Zapiski Nauchnykh Seminarov POMI
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Yufeng Lu, Linghui Kong (2014)
Studia Mathematica
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We first determine when the sum of products of Hankel and Toeplitz operators is equal to zero; then we characterize when the product of a Toeplitz operator and a Hankel operator is a compact perturbation of a Hankel operator or a Toeplitz operator and when it is a finite rank perturbation of a Toeplitz operator.
J. Rissanen (1974)
Numerische Mathematik
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Elżbieta Król-Klimkowska, Marek Ptak (2016)
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica
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The investigation of properties of generalized Toeplitz operators with respect to the pairs of doubly commuting contractions (the abstract analogue of classical two variable Toeplitz operators) is proceeded. We especially concentrate on the condition of existence such a non-zero operator. There are also presented conditions of analyticity of such an operator.
Mehdi Nikpour (2019)
Czechoslovak Mathematical Journal
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Based on the results in A. Feintuch (1989), this work sheds light upon some interesting properties of strongly asymptotically Toeplitz and Hankel operators, and relations between these two classes of operators. Indeed, among other things, two main results here are (a) vanishing Toeplitz and Hankel operators forms an ideal, and (b) finding the distance of a strongly asymptotically Toeplitz operator from the set of vanishing Toeplitz operators.
Young Joo Lee (2023)
Czechoslovak Mathematical Journal
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A Coburn theorem says that a nonzero Toeplitz operator on the Hardy space is one-to-one or its adjoint operator is one-to-one. We study the corresponding problem for certain Toeplitz operators on the Bergman space.
Miroslav Engliš, Jari Taskinen (2007)
Studia Mathematica
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It is well known that one can often construct a star-product by expanding the product of two Toeplitz operators asymptotically into a series of other Toeplitz operators multiplied by increasing powers of the Planck constant h. This is the Berezin-Toeplitz quantization. We show that one can obtain in a similar way in fact any star-product which is equivalent to the Berezin-Toeplitz star-product, by using instead of Toeplitz operators other suitable mappings from compactly supported smooth...
Tadeusz Rojek (1989)
Compositio Mathematica
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Albrecht Böttcher (1990)
Monatshefte für Mathematik
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