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Approximation and variational characteristics for the spectrum of nonsmooth Rayleigh systems. (Russian) Zbl 0895.49020

Summary: Variational characteristics for eigenvalues of nonsmooth Rayleigh systems are studied. A theorem on approximation of a nonsmooth Rayleigh system by piecewise linear Rayleigh systems has been proved.

MSC:

49R50 Variational methods for eigenvalues of operators (MSC2000)
47A75 Eigenvalue problems for linear operators
47A56 Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones)