The existence of positive periodic solutions for a class of second order impulsive differential equations is studied. By using fixed point theorem in cone, new existence results of positive periodic solutions are obtained without assuming the existence of positive periodic solutions of the corresponding continuous equation.
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This paper is concerned with the anti-periodic boundary value problems for nonlinear impulsive functional differential equations The sufficient conditions for the existence of at least one solution to above problem are established. The results generalize and improve the known ones. Examples are presented to illustrate the main results.
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