By means of integral conditions for the coefficients and of Sturm-Liouville differential equations the distance between consecutive zeros of non-trivial solutions will be estimated from above.
Cite this article
Erich Müller-Pfeiffer, Th. Schott, On the Existence of Conjugate Points for Sturm–Liouville Differential Equations. Z. Anal. Anwend. 9 (1990), no. 2, pp. 155–164DOI 10.4171/ZAA/389