Estimate of Number of Periodic Solutions of Second-Order Asymptotically Linear Difference System

Honghua Bin and Zhenkun Huang

Abstract and Applied Analysis, 2013, vol. 2013, 1-8

Abstract:

We investigate the number of periodic solutions of second-order asymptotically linear difference system. The main tools are Morse theory and twist number, and the discussion in this paper is divided into three cases. As the system is resonant at infinity, we use perturbation method to study the compactness condition of functional. We obtain some new results concerning the lower bounds of the nonconstant periodic solutions for discrete system.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:707686

DOI: 10.1155/2013/707686

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