Correct Singular Perturbations of the Laplace Operator with the Spectrum of the Unperturbed Operator

B. N. Biyarov, D. A. Svistunov, G. K. Abdrasheva

The work is devoted to the study of Laplace operator when the potential is a singular generalized function and plays the role of a singular perturbation of a Laplace operator. Abst…