Geodesic
On a class of operators
Glasgow mathematical journal, Tome 40 (1998) no. 2, pp. 237-240

Voir la notice de l'article provenant de la source Cambridge University Press

In this paper we show that the Weyl spectrum of an operator of class W satisfies the spectral mapping theorem for analytic functions and give the equivalent conditions for an operator of the form normal + compact to be polynomially compact. 
Yang, Youngoh. On a class of operators. Glasgow mathematical journal, Tome 40 (1998) no. 2, pp. 237-240. doi: 10.1017/S0017089500032559
@article{10_1017_S0017089500032559,
     author = {Yang, Youngoh},
     title = {On a class of operators},
     journal = {Glasgow mathematical journal},
     pages = {237--240},
     year = {1998},
     volume = {40},
     number = {2},
     doi = {10.1017/S0017089500032559},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032559/}
}
TY  - JOUR
AU  - Yang, Youngoh
TI  - On a class of operators
JO  - Glasgow mathematical journal
PY  - 1998
SP  - 237
EP  - 240
VL  - 40
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032559/
DO  - 10.1017/S0017089500032559
ID  - 10_1017_S0017089500032559
ER  - 
%0 Journal Article
%A Yang, Youngoh
%T On a class of operators
%J Glasgow mathematical journal
%D 1998
%P 237-240
%V 40
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032559/
%R 10.1017/S0017089500032559
%F 10_1017_S0017089500032559

[1] 1.Berberian, S. K., The Weyl's spectrum of an operator, Indiana Univ. Math. J. 20(6) (1970), 529–544. Google Scholar | DOI

[2] 2.Coburn, L. A., Weyl's theorem for nonnormal operators, Michigan Math. J. 13 (1966), 285–288. Google Scholar | DOI

[3] 3.Conway, J. B., Subnormal operators(Pitman, Boston, 1981). Google Scholar

[4] 4.Gramsch, B. and Lay, D., Spectral mapping theorems for essential spectra, Math. Ann. 192 (1971), 17–32. Google Scholar | DOI

[5] 5.Halmos, P. R., A Hilbert space problem book. (Springer-Verlag, 1984). Google Scholar

[6] 6.Harte, R. E., Invertibility and singularity for bounded linear operators (Marcel Dekker, New York, 1988). Google Scholar

[7] 7.Kato, T., Perturbation theory for linear operators (Springer-Verlag, 1966). Google Scholar

[8] 8.Oberai, K. K., On the Weyl spectrum, Illinois J. Math 18 (1974), 208–212. Google Scholar | DOI

[9] 9.Oberai, K. K., On the Weyl spectrum II, Illinois J. Math. 21 (1977), 84–90. Google Scholar | DOI

Cité par Sources :