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Regular version of the site

Book chapter

New type of semiclassical asymptotics of eigenstates near the boundaries of spectral clusters for Schrödinger-type operators

P. 323-326.

A general method for determining the asymptotic

eigenvalues near the boundaries of spectral clusters

is given. As an example, the spectral problem for a

perturbed two-dimensional oscillator is considered.

In book

Edited by: O. Motygin, A. Kiselev, P. Kapitanova et al. St. Petersburg: IEEE, 2016.