Sturm–Liouville problems with singular n
✍
Walter Eberhard; Gerhard Freiling; Anton Zettl
📂
Article
📅
2005
🏛
John Wiley and Sons
🌐
English
⚖ 200 KB
## Abstract Singular boundary conditions are formulated for non‐selfadjoint Sturm–Liouville problems which are limitcircle in a very general sense. The characteristic determinant is constructed and it is shown that it can be used to extend the Birkhoff theory for so called “Birkhoff regular boundar