Title of article :
An oscillation theorem for second-order nonlinear differential equations of Euler type
Author/Authors :
Aghajani, Asadollah iran university of science and technology - School of Mathematics, تهران, ايران , Roomi, Vahid iran university of science and technology - School of Mathematics, تهران, ايران
Abstract :
We consider the nonlinear equation t^2x + g(x) = 0, where g(x) satisfies xg(x) 0 for x ne 0, but is not assumed to be sublinear or superlinear. We study the problem whether all nontrivial solutions of the equation are oscillatory in some critical cases
Keywords :
Oscillation , nonlinear differential equations , Li´enard system
Journal title :
Turkish Journal of Mathematics
Journal title :
Turkish Journal of Mathematics