This article is cited in 1 scientific paper (total in 1 paper)
On the disconjugacy of a differential equation on a graph
R. Ch. Kulaevab
a North Ossetian State University after Kosta Levanovich Khetagurov, Vladikavkaz
b Southern Mathematical Institute of the Vladikavkaz Scientific Center of the Russian Academy of Sciences, Vladikavkaz
The paper is devoted to the problems of disconjugacy of fourth-order differential equations on a graph. We introduce the concept of critical disconjugacy. Critical disconjugacy allows us to generalize the notion of exact interval of disconjugacy in the classical theory. We give the definition of disconjugacy in terms of the properties of a special fundamental system of solutions of an equation on a graph. This definition introduces new features into the theory, but it preserves the basic properties of the one-dimensional theory.
differential equation on a graph, disconjugacy, boundary value problem, Green's function.
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R. Ch. Kulaev, “On the disconjugacy of a differential equation on a graph”, Vladikavkaz. Mat. Zh., 19:3 (2017), 31–40
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\paper On the disconjugacy of a differential equation on a graph
\jour Vladikavkaz. Mat. Zh.
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A. A. Vladimirov, E. S. Karulina, “Oscillation Properties of a Multipoint Fourth-Order Boundary-Value Problem with Spectral Parameter in the Boundary Condition”, Math. Notes, 106:6 (2019), 899–903
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