Juntao Sun, Jifeng Chu
In this article we give a necessary sufficient conditions for the existence of periodic solutions to impulsive periodic solution for a singular differential equation. The proof is based on the variational method.
Submitted October 30, 2013. Published April 10, 2014.
Math Subject Classifications: 34B15.
Key Words: Positive periodic solution; singular differential equations; impulses; variational methods.
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| Juntao Sun |
School of Science, Shandong University of Technology
Zibo, 255049 Shandong, China
| Jifeng Chu |
College of Science, Hohai University
Nanjing, 210098 Jiangsu, China
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