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Bulletin of the American Mathematical Society
Bulletin of the American Mathematical Society
ISSN 1936-881X(e) ISSN 0002-9904(p)
     

Normality and the numerical range of an operator

Author(s): J. G. Stampfli
Journal: Bull. Amer. Math. Soc. 72 (1966), 1021-1022.
MathSciNet review: 0212599
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References | Additional information

References:

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W. F. Donoghue, On a problem of Nieminen, Inst. Hautes Études Sci. Publ. Math. 16 (1963), 127-129. MR 152892
2.
S. Hildebrandt, Über den numerischen Wertebereich eines Operators, Math. Ann. 163 (1966), 230-247. MR 200725
3.
C. H. Meng, On the numerical range of an operator, Proc. Amer. Math. Soc. 14 (1963), 167-171. MR 143035
4.
T. Nieminen, A condition for the self-adjointness of a linear operator, Ann. Acad. Sci. Fenn. Ser. A. I No. 316 (1962), 3-5. MR 139012
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G. Orland, On a class of operators, Proc. Amer. Math. Soc. 15 (1964), 75-80. MR 157244
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C. R. Putnam, On the spectra of semi-normal operators, Trans. Amer. Math. Soc. 119 (1965), 509-523. MR 185446
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J. G. Stampfli, Hyponormal operators and spectral density, Trans. Amer. Math. Soc. 117 (1965), 469-476. MR 173161
8.
J. G. Stampfli, Minimal range theorems for operators with thin spectra, Trans. Amer. Math. Soc. (to appear). MR 229077
9.
J. Williams, Spectral sets and finite dimensional operators, Ph.D. Thesis, Univ. of Michigan, Ann Arbor, Michigan, 1965.


Additional Information:

DOI: 10.1090/S0002-9904-1966-11625-7
PII: S 0002-9904(1966)11625-7


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