Ukrainian Mathematical Bulletin

Volume 4, Issue 3, 2007 pp. 351-364.

Differential Operator of Order Four with Local Point Interactions

Authors: Natal'ya I. Goloshchapova, Leonid L. Oridoroga
Author institution: Donetsk National University, ul. Universitetskaya 24, 83055, Donetsk,Ukraine ng85@bk.ru,ORIDOROGA@SKIF.NET

Summary: In this paper, some results of the theory of Sturm--Liouville operators with local point interactions on a discrete set are obtained for operators of order $4$.

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