A Picone type identity for second-order half-linear differential equations. (English) Zbl 0926.34023
Summary: A Picone-type identity for half-linear differential equations of second order is derived and a Sturmian theory for both forced and unforced half-linear and quasilinear equations based on this identity is developed.
MSC:
34C10 | Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations |