【摘要】 考虑二阶中立型时滞微分方程(r(t)Φ(x(t))[x(t)+p(t)x(τ(t))]′+F(t,x(t),x(σ(t)),x′(t),x′(σ(t)))=0利用广义Riccati变换得到了方程所有解振动的充分条件.更多还原

【Abstract】 Consider the second order nonlinear neutral differential equation(r(t)Φ(x(t))[x(t)+p(t)x(τ(t))]′+F(t,x(t),x(σ(t)))′x′(t),x′(σ(t)))=0.Using generalized Riccati transforma-tion,sufficient condition for oscillation of all solutions of the equation are obtained.更多还原