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    SPECTRUM-PRESERVING ELEMENTARY OPERATORS ON B(X)

    Citation：
    Hou Jinchuan.SPECTRUM-PRESERVING ELEMENTARY OPERATORS ON B(X)[J].Chinese Annals of Mathematics B,1998,19(4):511~516
    Page view： 1247        Net amount： 891

    Authors：
    Hou Jinchuan;

    Foundation：
    the National Natural Science Foundation of China and the Shanxi Provincial Natrual Science Foundation of China
    Abstract： Characterizations for elementary operators of length 2 to be invertibility-preserving, spectrum-preserving or spectrum-compressing are obtained.

    Keywords：
    Elementary operators, Spectrum-preserving linear maps, Positive maps

    Classification：
    47A10, 47B47
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