Siberian Mathematical Journal

, Volume 13, Issue 3, pp 433–438 | Cite as

The stability of the index and semistability of the defect numbers in compact approximation

  • L. S. Rakovshchik


Defect Number Compact Approximation 
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Literature Cited

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    I. Ts. Gokhberg and M. G. Krein, “Fundamental theorems on defect numbers, root numbers, and indices of linear operators,” Uspekhi Matem. Nauk,12, No. 2, 43–117 (1957).Google Scholar
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    P. M. Anselone and R. H. Moore, “Approximate solution of integral and operational equations,” J. Math. Anal. and Appl., 9, No. 2, 268–277 (1964).Google Scholar
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    G. M. Vainikko, “Compact approximation of linear compact operators in quotient spaces,” Trudy Tartus. In-ta (Vyp. Fiz.-Mat. Nauk),220, No. 8, 190–204 (1968).Google Scholar
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    G. M. Vainikko, “The principle of compact approximation in the theory of approximation methods,” Zh. Vychisl. Matem. i Matem. Fiz., 9, No. 4, 739–761 (1969).Google Scholar
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    P. Halmos, Hilbert Space Problem Book [Russian translation], Mir (1970).Google Scholar

Copyright information

© Consultants Bureau 1972

Authors and Affiliations

  • L. S. Rakovshchik

There are no affiliations available

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