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Publication:2784764
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zbMath0993.65055MaRDI QIDQ2784764

Daniel Potts, Gabriele Drauschke

Publication date: 26 September 2002


Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

preconditioningeigenvalue distributiongenerating functionnonnegative trigonometric polynomialsHermitian block-Toeplitz-Toeplitz-block matrices


Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Eigenvalues, singular values, and eigenvectors (15A18) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Numerical methods for trigonometric approximation and interpolation (65T40)


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Block band Toeplitz preconditioners derived from generating function approximations: analysis and applications ⋮ Matrix algebra preconditioners for multilevel Toeplitz systems do not insure optimal convergence rate



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