On M-ideals in B(\(\sum ^{\infty}_{i=1}\oplus _ p\ell _ r^{n_ i})\)

DOI10.1155/S0161171287000607zbMath0632.46005OpenAlexW1972268400MaRDI QIDQ1095339

Chong-Man Cho

Publication date: 1987

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/46236

zbMATH Keywords

compact operatorsM-idealhermitian element\(\ell _ p\)-sum

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spaces of linear operators; topological tensor products; approximation properties (46A32)

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