Existence of periodic solutions in shifts δ±for neutral nonlinear dynamic systems

M Adıvar, HC Koyuncuoğlu, YN Raffoul - Applied Mathematics and …, 2014 - Elsevier
This paper focuses on the existence of a periodic solution of the delay neutral nonlinear
dynamic systems x Δ (t)= A (t) x (t)+ Q Δ (t, x (δ-(s, t)))+ G (t, x (t), x (δ-(s, t))). In our analysis …

Periodic solutions of a class of impulsive neutral delay differential equation

XK Sun, HF Huo, CC Ma - Applied Mathematics and Computation, 2012 - Elsevier
A class of impulsive neutral delay differential equation is studied. By using fixed point
theorem in cone, some sufficient conditions of the existence for multiple periodic solutions …