Literature cited
I. Ts. Gokhberg and M. G. Krein, Theory of Volterra Operators in Hilbert Space [in Russian], Nauka, Moscow (1967).
B. Sz.-Nagy and C. Foias, Analyse Harmonique des Operateurs de l'Espace de Hilbert, Budapest (1967).
N. K. Nikol'skii, “Invariant subspaces of weighted shift operators,” Matem. Sborn.,74 (116), 171–190 (1967).
N. K. Nikol'skii, “Basicity and unicellularity of weighted shift operators,” Izv. Akad. Nauk SSSR, Ser. Matem.,32, 1123–1137 (1968).
N. K. Nikol'skii, “Invariant subspaces of certain completely continuous operators,” Vest. Leningrad. Univ., Ser. Matem.,2, No. 7, 68–77 (1965).
I. Ts. Gokhberg and O. I. Soibel'man, “Remarks on operator similarity,” Matem. Issled. (Kishinev),2, No. 3, 166–170 (1967).
O. I. Soibel'man, “On operator similarity,” Matem. Issled. (Kishinev),2, No. 4, 150–165 (1968).
M. S. Brodskii, Triangular and Jordan Representations of Linear Operators [in Russian], Nauka, Moscow (1969).
N. Aronszajn and K. T. Smith, “Invariant subspaces of completely continuous operators,” Ann. of Math.,60 (1954).
I. Ts. Gokhberg, “On linear operators analytically dependent on a parameter,” Dokl. Akad. Nauk SSSR,78, No. 4, 629–632 (1951).
Additional information
Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova Akademii Nauk SSSR, Vol. 22, pp. 89–93, 1971.
Rights and permissions
About this article
Cite this article
Nikol'skii, N.K. Stability of unicellularity for analytic perturbations of class Ω +○ . J Math Sci 2, 131–134 (1974). https://doi.org/10.1007/BF01099671
Issue Date:
DOI: https://doi.org/10.1007/BF01099671