\(s\)-numbers of polynomials of \(M\) variable weighted shifts.

zbMath1034.47502MaRDI QIDQ1396283

Nashat Faried, A. A. W. Mehanna

Publication date: 2001

Published in: Journal of the Egyptian Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

\(s\)-numberspolynomials of weighted shift operators

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

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