A Korovkin-Based Approximation of MultilevelToeplitz Matrices (With Rectangular Unstructured Blocks) via Multilevel Trigonometric Matrix Spaces
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Publication:4271016
DOI10.1137/S0036142997322497zbMath0958.41016OpenAlexW2072477866MaRDI QIDQ4271016
Publication date: 22 November 1999
Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/s0036142997322497
Linear symmetric and selfadjoint operators (unbounded) (47B25) Multilinear algebra, tensor calculus (15A69) Approximation by positive operators (41A36)
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