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ON THE SINGULAR BEHAVIOR OF THE SPECTRUM OF PROBLEMS WITH CONCENTRATED MASSES

G. A. Chechkin

Lomonosov Moscow State University



Abstract: he report will consider eigenvalue problems in bounded domains with variable density. Depending on the degree of the large parameter that describes the density of concentrated masses, a complete classification of averaged problems will be given.


© Steklov Math. Inst. of RAS, 2025