A singular version of Leighton's comparison theorem for forced quasilinear second order differential equations
Ondřej Došlý, Jaroslav Jaroš (2003)
Archivum Mathematicum
Similarity:
We extend the classical Leighton comparison theorem to a class of quasilinear forced second order differential equations where the endpoints , of the interval are allowed to be singular. Some applications of this statement in the oscillation theory of (*) are suggested.