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Abstract

The goal of this paper is to study the finite spectrum of Sturm-Liouville operator with δ- interactions. Such an equation gives us a Sturm-Liouville boundary value problem which has n transmission conditions. We show that for any positive numbers mj (j = 0; 1; :::; n) that are related to number of partition of the intervals between two successive interaction points, we can construct a Sturm-Liouville equations with δ-interactions, which have exactly d eigenvalues. Where d is the sum of mj’s.

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