| [1]Woo Young Lee. Boundaries of the spectra in L(X). Proc Amer Math Soc,1992, 116:185-189
[2]Woo Young Lee. A generalization of the puncturded neighborhood theorem.Proc Amer Math Soc, 1993, 117: 107-109
[3]Schmoeger C. On a generalized puncturded neighborhood theorem in G(X). Proc Amer Math Soc, 1995,123: 1237-1240
[4]Mbekhta M. Généralisation de la décomposition de kato auxopérateurs paranormaux et spectraux. Glasgow Math J, 1987,29 : 159-175
[5]Mbekhta M. Sur la thoérie spectrale locale et limite des nilpotents. Proc Amer Math Soc, 1990,110: 621-631
[6]Schmoeger C. On isolated points of the spectrum of a bounded linear operator. Proc Amer Math Soc, 1993, 117: 715-719
[7]Taylor A E. Theorems on ascent, descent, nullity and defect of linear operator. Math Annalen, 1966, 163: 18-49
[8]Kato D. Perturbation Theory for Linear Operator.New York: SpringerVerlag,1966
[9]Taylor A E, Lay D C. Introduction to Functional Analysis.New York: Wiley,1980 |