Operators with disconnected spectra are dense
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- by Domingo A. Herrero and Norberto Salinas PDF
- Bull. Amer. Math. Soc. 78 (1972), 525-526
References
- R. G. Douglas and Carl Pearcy, On a topology for invariant subspaces, J. Functional Analysis 2 (1968), 323–341. MR 0233224, DOI 10.1016/0022-1236(68)90010-4
- Nelson Dunford and Jacob T. Schwartz, Linear Operators. I. General Theory, Pure and Applied Mathematics, Vol. 7, Interscience Publishers, Inc., New York; Interscience Publishers Ltd., London, 1958. With the assistance of W. G. Bade and R. G. Bartle. MR 0117523
- P. R. Halmos, Ten problems in Hilbert space, Bull. Amer. Math. Soc. 76 (1970), 887–933. MR 270173, DOI 10.1090/S0002-9904-1970-12502-2
- Norberto Salinas, Operators with essentially disconnected spectrum, Acta Sci. Math. (Szeged) 33 (1972), 193–205. MR 350450
Additional Information
- Journal: Bull. Amer. Math. Soc. 78 (1972), 525-526
- MSC (1970): Primary 47A15; Secondary 47A10, 47A55
- DOI: https://doi.org/10.1090/S0002-9904-1972-12981-1
- MathSciNet review: 0301535