Authors: EKİN UĞURLU, KENAN TAŞ
Abstract: In this paper we aim to share a way to impose some nonselfadjoint boundary conditions for the solutions of a formally symmetric fifth-order differential equation. Constructing a dissipative operator related with the problem we obtain some informations on spectral properties of the problem. In particular, using coordinate-free approach we construct characteristic matrix-function related with the contraction which is obtained with the aid of the dissipative operator.
Keywords: Fifth-order boundary value problem, characteristic matrix, completeness theorem
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