2017
Том 69
№ 9

All Issues

Singular perturbations of finite rank. Point spectrum

Koshmanenko V. D., Samoilenko O. V.

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Abstract

We establish necessary and sufficient conditions for the appearance of an additional point spectrum under singular perturbations of finite rank.

English version (Springer): Ukrainian Mathematical Journal 49 (1997), no. 9, pp 1335-1344.

Citation Example: Koshmanenko V. D., Samoilenko O. V. Singular perturbations of finite rank. Point spectrum // Ukr. Mat. Zh. - 1997. - 49, № 9. - pp. 1186–1194.

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