Title of article :
On nonoscillation of mixed advanced-delay differential equations with
positive and negative coefficients
Author/Authors :
Leonid Berezansky، نويسنده , , Elena Bravermanb، نويسنده , , Sandra Pinelas c، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2009
Abstract :
For a mixed (advanced-delay) differential equation with variable delays and coefficients
Px.t/ a.t/x.g.t// b.t/x.h.t// D 0; t t0
where
a.t/ 0; b.t/ 0; g.t/ t; h.t/ t
explicit nonoscillation conditions are obtained.
Keywords :
Mixed differential equations , delay equations , Advanced equations , positive solutions
Journal title :
Computers and Mathematics with Applications
Journal title :
Computers and Mathematics with Applications
