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Bulletin of the American Mathematical Society

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Joint spectrum in the Calkin algebra


Author: A. T. Dash
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
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  • 1. F. F. Bonsall and J. Duncan, Numerical ranges of operators on normed spaces and of elements of normed algebras, London Math. Soc. Lecture Note Series, 2, Cambridge Univ. Press, London and New York, 1971. MR 44 #5779. MR 288583
  • 2. L. G. Brown, R. G. Douglas and P. A. Fillmore, Unitary equivalence modulo the compact operators and extensions of C* -algebras, Proc. Conf. on Operator Theory, Lecture Notes in Math., vol. 345, Springer-Verlag, New York, 1973, pp. 58-128. MR 380478
  • 3. A. T. Dash, Joint spectra, Studia Math. 45 (1973), 225-237. MR 49 #1156. MR 336381
  • 4. 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 48 #896. MR 322534
  • 5. R. Harte, The spectral mapping theorem in several variables, Bull. Amer. Math. Soc. 78 (1972), 871-875. MR 45 #7471. MR 298419

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DOI: https://doi.org/10.1090/S0002-9904-1975-13925-5

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