Proceedings of the American Mathematical Society · 1977 · 29 citations · 7 references
Natural SciencesMathematicsProbability TheoryHilbert Space FormalismOperator TheorySpectral TheoryNormal OperatorsOperatorsSpectral TheoremSubnormal Operators
Recent results of C. R. Putnam are used to find some conditions for normality of operators. The emphasis is on the classes of spectral operators (defined by N. Dunford) and <italic>M</italic> -hyponormal operators (defined by J. G. Stampfli).
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Ranges of normal and subnormal operators.
C. R. Putnam · The Michigan Mathematical Journal · 1971 · 30 citations · Full text
Ranges of hyponormal operators
M. Radjabalipour · Illinois Journal of Mathematics · 1977 · 28 citations · Full text