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Most Quasidiagonal Operators are not Block-Diagonal - MaRDI portal

Most Quasidiagonal Operators are not Block-Diagonal (Q3468188)

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Most Quasidiagonal Operators are not Block-Diagonal
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    1988
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    set of all block-diagonal operators is a dense first category subset of the class (QD) of all quasidiagonal oprators
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    subset of all irreducible quasidiagonal operators with hi spectra, that are similar to block- diagonal ones, includes a \(G_{\delta }\)-dense subset of (QD)
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    Most Quasidiagonal Operators are not Block-Diagonal (English)
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