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Spectrum Curves for Sturm–Liouville Problem with Integral Boundary Condition

    Agnė Skučaitė Affiliation
    ; Artūras Štikonas Affiliation

Abstract

We consider Sturm–Liouville problem with one integral type nonlocal boundary condition depending on three parameters γ (multiplier in nonlocal condition), ξ1, ξ2 ([ξ1, ξ2] is a domain of integration). The distribution of zeroes, poles, and constant eigenvalue points of Complex Characteristic Function is presented. We investigate how Spectrum Curves depend on the parameters of nonlocal boundary conditions. In this paper we describe the behaviour of Spectrum Curves and classify critical points of Complex-Real Characteristic function. Phase Trajectories of critical points in Phase Space of the parameters ξ1, ξ2 are investigated. We present the results of modelling and computational analysis and illustrate those results with graphs.

Keyword : Sturm–Liouville problem, characteristic function, spectrum curves, critical point, integral boundary condition

How to Cite
Skučaitė, A., & Štikonas, A. (2015). Spectrum Curves for Sturm–Liouville Problem with Integral Boundary Condition. Mathematical Modelling and Analysis, 20(6), 802-818. https://doi.org/10.3846/13926292.2015.1116470
Published in Issue
Nov 23, 2015
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