Keywords
- Essential Spectrum
- Cyclic Vector
- Connected Open Subset
- Infinite Dimensional Hilbert Space
- Similarity Orbit
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References
R. A. Adams, Sobolev Spaces, Academic Press, New York-San Francisco-London
C. Apostol and B. Morrel, On approximation of operators by simple models, Indiana University Math. J., 26 (1976), 427–442.
C. Foiaş, C. Pearcy and D. Voiculescu, Biquasitriangular operators and quasisimilarity, (to appear).
D. A. Herrero, Closure of similarity orbits of Hilbert space operators, II: Normal operators, J. London Math. Soc., (2) 13 (1976), 299–316.
D. A. Herrero, Closure of similarity orbits of Hilbert space operators, III, Math. Ann., (to appear).
D. A. Herrero, Quasisimilar operators with different spectra, Acta Sci. Math. (Szeged), (to appear).
H. Radjavi and P. Rosenthal, Invariant subspaces, Ergebnisse der Mathematik und ihrer Grenzgebiete, B. 77, Springer-Verlag, New York-Heidelberg-Berlin, 1973.
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© 1978 Springer-Verlag
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Herrero, D.A. (1978). Strictly cyclic operator algebras and approximation of operators. In: Bachar, J.M., Hadwin, D.W. (eds) Hilbert Space Operators. Lecture Notes in Mathematics, vol 693. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0064666
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DOI: https://doi.org/10.1007/BFb0064666
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Print ISBN: 978-3-540-09097-7
Online ISBN: 978-3-540-35557-1
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