Point spectrum of the schrödinger operator with point interactions at the vertices of regular N-gons von Dudkin, M. Ye., Дудкін, М. Є.

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Analog of the Krein Formula for Resolvents of Normal Extensions of a Prenormal Operator von Dudkin, M. Ye., Дудкін, М. Є.

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Singularly perturbed normal operators von Dudkin, M. Ye., Дудкін, М. Є.

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Invariant symmetric restrictions of a self-adjoint operator. II von Dudkin, M. Ye., Дудкін, М. Є.

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Invariant symmetric restrictions of a self-adjoint operator. I von Dudkin, M. Ye., Дудкін, М. Є.

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Jacobi-type block matrices corresponding to the two-dimensional moment problem: polynomials of the second kind and Weyl function von Dudkin, M. Ye., Kozak, V. I., Дудкін, М. Є., Козак, В. І.

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On the Point Spectrum of Self-Adjoint Operators That Appears under Singular Perturbations of Finite Rank von Dudkin, M. Ye., Koshmanenko, V. D., Дудкін, М. Є., Кошманенко, В. Д.

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Volodymyr Dmytrovych Koshmanenko (on his 80 th birthday) von Makarov, V. L., Tymokha, O. M., Kochubei, A. N., Nikitin, A. G., Gerasymenko, V. I., Dudkin, M. Ye., Ostrovs’kyi, V. L., Plaksa, S. A., Rebenko, O. L., Romanyuk, A. S., Макаров, В. Л., Тимоха, О. М., Кочубей, А. Н., Нікітін , А. Г., Герасименко, В. I., Дудкін, М. Є., Островський, В. Л., Плакса, С. А., Ребенко, О. Л., Романюк, А. С.

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