This work was partially supported by the National Natural Science Foundation of China(Grant No.10071043);the Hong Kong Research Grants Council under the CERG grant CityU 1115/03E;the NSF Shandong Research Funds for Young Scientists(Grant No.03BS094);the Shandong University Scientific Research Funds for Young Staff.The authors are very happy to have this opportunity to thank the referees for helpful remarks.
This paper is concerned with chaos in discrete dynamical systems governed by continuously Frech@t differentiable maps in Banach spaces. A criterion of chaos induced by a regular nondegenerate homoclinic orbit is estab...
Supported by NNSF-China (No.10071043);the YNSF of Shandong Province (No.Y2000A06)
This paper investigates the existence of solutions of periodic boundary value problems for nonlinear second order functional differential equations. By establishing comparison results, criteria on the existence of max...