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On spectral properties of a nonselfadjoint difference operator
The eigenvalue problem for a nonselfadjoint difference operator with nonconstant coefficient is considered. The main peculiarity of the problem is that its solution satisfies a two-point nonlocal boundary condition. Multiplicity of eigenvalues is discussed and a region where all eigenvalues reside is defined taking into account a very generic assumption about the nonconstant coefficient.
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International Interdisciplinary Conference "Mathematics. Computing. Education"