Certain tests for the degree of completeness of the root vectors of operator functions analytic in a sector

Author:

Radzievskii G. V.

Publisher

Springer Science and Business Media LLC

Subject

General Mathematics

Reference11 articles.

1. M. V. Keldysh, ?Eigenvalues and eigenfunctions for certain classes of non-self-adjoint equations,' Dokl. Akad. Nauk SSSR,77, No. 1 (1951).

2. M. V. Keldysh, ?The completeness of the eigenfunctions of certain classes of non-self-adjoint linear operators,? Usp. Matem. Nauk.,26, No. 4 (160) (1971).

3. G. V. Radzievskii, ?A method for proving the completeness of the root vector of operator functions,? Dokl. Akad. Nauk SSSR,214, No. 2 (1973).

4. M. G. Gasymov, ?Towards a theory of polynomial operator bundles,? Dokl. Akad. Nauk SSSR,199, No. 4 (1971).

5. M. G. Gasymov, ?The degree of completeness of a portion of the eigenvectors and associated vectors of polynomial operator bundles,? Izv. Akad. Nauk ArmSSR, Ser. Matem.,6, Nos. 2?3 (1971).

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