In this paper, we establish necessary and sufficient conditions for the solutions of a second‐
order nonlinear neutral delay dynamic equation with positive and negative coefficients to be …

In this paper, we investigate some nonoscillatory and oscillatory solutions for a class of
second-order nonlinear neutral delay differential equations with positive and negative …

International Journal of Pure and Applied Mathematics ————————————————————————
V Page 1 International Journal of Pure and Applied Mathematics …

In this paper, we aim to contribute to the increasing interest on the study of neutral
differential equations by obtaining some new oscillation results for second-order forced …

We study asymptotic properties of a class of third-order nonlinear delay dynamic equations
with positive and negative coefficients on time scales. In this paper, we establish new results …

The oscillatory and nonoscillatory behavior of solutions of the nonlinear neutral differential
equation [r (t)[x (t)+ c (t) x (t− τ)]′]′+ p (t) f (x (t− δ))− q (t) g (x (t− σ))= 0, where c, r, p, q∈ C …

In this paper we obtain oscillation criteria for solutions of homogeneous and
nonhomogeneous cases of second order neutral differential equations with positive and …

In this paper, the authors classified all solutions of the second-order nonlinear neutral delay
dynamic equations with positive and negative coefficients into four classes and obtained …

This paper is concerned with a class of neutral difference equations of second order with
positive and negative coefficients of the forms Δ^ 2 (x_n ± c_n x_ n-τ)+ p_n x_ n-δ-q_n x_ n …

A new sufficient conditions for the oscillation of all solutions of higher order neutral delay
differential equations with positive and negative coefficients are given. Because, we did not …