Báo cáo toán học: "Perturbation theory for definitizable operators in Krein spaces "

Báo cáo toán học: "Some results on norm-ideal perturbations of Hilbert space operators "

35 p | 54 | 8

Báo cáo toán học: "A new property of the determinant of a perturbation of a weak contraction. (Russian) "

11 p | 52 | 5

Báo cáo toán học: "Spectral shift functions that arise in perturbations of a positive operator. (Russian) "

22 p | 53 | 5

Báo cáo toán học: "On the distance to the set of compact perturbations of nilpotent operators "

16 p | 45 | 5

Báo cáo nghiên cứu khoa học: "Analytic perturbations of the $\bar \partial $-operator and integral representation formulas in Hilbert spaces "

19 p | 71 | 5

Báo cáo toán học: "Economical compact perturbations. I: Erasing normal eigenvalues "

18 p | 42 | 4

Báo cáo nghiên cứu khoa học: "Perturbations of nest algebras "

14 p | 45 | 4