1 |
S. K. Berberian, An extension of Weyl's theorem to a class of not necessarily normal operators, Michigan Math. J. 16 (1969), 273-279.
DOI
|
2 |
R. H. Bouldin, The essential minimum modulus, Indiana Univ. Math. J. 30 (1981), no. 4, 513-517.
DOI
|
3 |
R. H. Bouldin, Distance to invertible linear operators without separability, Proc. Amer. Math. Soc. 116 (1992), no. 2, 489-497.
DOI
ScienceOn
|
4 |
A. Bottcher and B. Silbermann, Analysis of Toeplitz Operators, Springer, Berlin-Heidelberg-New York, 1990.
|
5 |
L. A. Coburn, Weyl's theorem for nonnormal operators, Michigan Math. J. 13 (1966), 285-288.
DOI
|
6 |
J. B. Conway and B. B. Morrel, Operators that are points of spectral continuity, Integral Equations Operator Theory 2 (1979), no. 2, 174-198.
DOI
ScienceOn
|
7 |
D. R. Farenick and W. Y. Lee, Hyponormality and spectra of Toeplitz operators, Trans. Amer. Math. Soc. 348 (1996), no. 10, 4153-4174.
DOI
ScienceOn
|
8 |
P. R. Halmos, A Hilbert Space Problem Book, Springer, New York, 1982.
|
9 |
R. E. Harte, Invertibility and Singularity for Bounded Linear Operators, Dekker, New York, 1988.
|
10 |
R. E. Harte and W. Y. Lee, Another note on Weyl's theorem, Trans. Amer. Math. Soc. 349 (1997), no. 5, 2115-2124.
DOI
ScienceOn
|
11 |
D. A. Herrero, Economical compact perturbations I: Erasing normal eigenvalues, J. Operator Theory 10 (1983), no. 2, 289-306.
|
12 |
C. M. Pearcy, Some Recent Developments in Operator Theory, CBMS 36, Providence: AMS, 1978.
|
13 |
I. S. Hwang and W. Y. Lee, On the continuity of spectra of Toeplitz operators, Arch. Math. 70 (1998), no. 1, 66-73.
DOI
ScienceOn
|
14 |
I. S. Hwang and W. Y. Lee, The spectrum is continuous on the set of p-hyponormal operators, Math. Z. 235 (2000), no. 1, 151-157.
DOI
ScienceOn
|
15 |
N. K. Nikolskii, Treatise on the Shift Operator, Springer, New York, 1986.
|
16 |
H. Weyl, Uber beschrankte quadratische Formen, deren Differenz vollsteig ist, Rend. Circ. Mat. Palermo 27(1909), 373-392.
DOI
ScienceOn
|
17 |
H. Widom, On the spectrum of a Toeplitz operator, Pacific J. Math. 14 (1964), 365-375.
DOI
|
18 |
R. G. Douglas, Banach Algebra Techniques in Operator Theory, Academic press, New York, 1972.
|
19 |
A. H. Kim and E. Y. Kwon, Spectral continuity of essentially p-hyponormal operators, Bull. Korean Math. Soc. 43 (2006), no. 2, 389-393.
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DOI
ScienceOn
|
20 |
J. D. Newburgh, The variation of spectra, Duke Math. J. 18 (1951), 165-176.
DOI
|
21 |
A. Bottcher, S. Grudsky, and I. Spitkovsky, The spectrum is discontinuous on the manifold of Toeplitz operators, Arch. Math. 75 (2000), no. 1, 46-52.
DOI
|