摘要
In this paper, we study a nonlinear second-order periodic boundary value problem, in which the equation has a singular and discontinuous nonlinearity. By using perturbation techniques and comparison principles, we obtain the existence of solutions for this problem.
In this paper, we study a nonlinear second-order periodic boundary value problem, in which the equation has a singular and discontinuous nonlinearity. By using perturbation techniques and comparison principles, we obtain the existence of solutions for this problem.
基金
supported by the National Natural Sciences Foundation of China and by Foundation forPh. D Specialists of the Education Commiss