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On scarcity of operators with finite spectrum
Author(s):
Bernard
Aupetit
Journal:
Bull. Amer. Math. Soc.
82
(1976),
485-486.
MSC (1970):
Primary 46H20, 46K99;
Secondary 47A10
MathSciNet review:
0399857
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Additional information
References:
- 1.
- M. Brelot, Éléments de la théorie classique du potentiel, Centre de Documentation Universitaire, Paris, 3 édition, 1965. MR 21 #5099. MR 178154
- 2.
- R. A. Hirschfeld and B. E. Johnson, Spectral characterization of finite-dimensional algebras, Nederl. Akad. Wetensch. Proc. Ser A 75 = Indag. Math. 34 (1972), 19-23. MR 46 #666. MR 301508
- 3.
- I. Kaplansky, Ring isomorphisms of Banach algebras, Canad. J. Math. 6 (1954), 374-381. MR 16, 49. MR 62960
- 4.
- J. D. Newburgh, The variation of spectra, Duke Math. J. 18 (1951), 165-176. MR 14, 481. MR 51441
- 5.
- E. Vesentini, On the subharmonicity of the spectral radius, Boll. Un. Mat. Ital. (4) 1 (1968), 427-429. MR 39 #6080. MR 244766
- 6.
- E. Vesentini, Maximum theorems for spectra, Essays on Topology and Related Topics (Mémoires dédiés à Georges de Rham), Springer-Verlag, New York, 1970, pp. 111-117. MR 42 #6612. MR 271731
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Additional Information:
DOI:
10.1090/S0002-9904-1976-14066-9
PII:
S 0002-9904(1976)14066-9
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