NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION, vol.41, no.4, pp.413-431, 2020 (SCI-Expanded)
In this article, we construct the resolvent operator of regular Hahn-Sturm-Liouville problem. Later we derive some properties of the resolvent operator. Finally, we obtain integral representation for the resolvent operator of singular Hahn-Sturm-Liouville problem in terms of the spectral function.