Finer limit circle/limit point classification for Sturm-Liouville operators

Mateusz Piorkowski, Jonathan Stanfill

In this paper we introduce an index ${\ell }_c\in {\mathbb{N}}_0\cup \{\infty \}$ which we call the `regularization index' associated to the endpoints, $c\in \{a,b\}$, of no…