Joint spectrum in the Calkin algebra
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- by A. T. Dash PDF
- Bull. Amer. Math. Soc. 81 (1975), 1083-1085
References
- F. F. Bonsall and J. Duncan, Numerical ranges of operators on normed spaces and of elements of normed algebras, London Mathematical Society Lecture Note Series, vol. 2, Cambridge University Press, London-New York, 1971. MR 0288583
- L. G. Brown, R. G. Douglas, and P. A. Fillmore, Unitary equivalence modulo the compact operators and extensions of $C^{\ast }$-algebras, Proceedings of a Conference on Operator Theory (Dalhousie Univ., Halifax, N.S., 1973) Lecture Notes in Math., Vol. 345, Springer, Berlin, 1973, pp. 58–128. MR 0380478
- A. T. Dash, Joint spectra, Studia Math. 45 (1973), 225–237. MR 336381, DOI 10.4064/sm-45-3-225-237
- P. A. Fillmore, J. G. Stampfli, and J. P. Williams, On the essential numerical range, the essential spectrum, and a problem of Halmos, Acta Sci. Math. (Szeged) 33 (1972), 179–192. MR 322534
- Robin Harte, The spectral mapping theorem in several variables, Bull. Amer. Math. Soc. 78 (1972), 871–875. MR 298419, DOI 10.1090/S0002-9904-1972-13066-0
Additional Information
- Journal: Bull. Amer. Math. Soc. 81 (1975), 1083-1085
- MSC (1970): Primary 47A05, 47A10, 47B05, 47B20, 47B30, 46H10
- DOI: https://doi.org/10.1090/S0002-9904-1975-13925-5
- MathSciNet review: 0390800