A boundary value problem for an elliptic functional-differential equation with contraction and dilatation of the arguments of the desired function in the leading part is considered in a starshaped bounded domain. Estimates for the modification of eigenvalues of the operator of the problem under internal deformations of the domain are obtained. © 2011 Pleiades Publishing, Ltd
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We investigate the interplay between the geometry, boundary conditions and spectral properties of th...
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The functional-differential equations (FDE) in the Hilbert space have been studied on base of the sp...
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