Fanchao Kong, Shiping Lu, Zaitao Liang
By applying Mawhin's continuation theorem, we study the existence of positive periodic solutions for a second-order neutral functional differential equation
where g has a strong singularity at x=0 and satisfies a small force condition at , which is different from the corresponding ones known in the literature.
Submitted May 6, 2015. Published September 21, 2015.
Math Subject Classifications: 34B16, 34B20, 34B24.
Key Words: Positive periodic solution; neutral differential equation; deviating argument; singular; Mawhin's continuation.
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| Fanchao Kong |
College of Mathematics and Computer Science
Anhui Normal University
Wuhu 241000, Anhui, China
| Shiping Lu |
College of Mathematics and Statistics
Nanjing University of Information Science and Technology
Nanjing 210044, China
| Zaitao Liang |
Department of Mathematics
College of Science, Hohai University
Nanjing 210098, China
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