Zhi-Qiang Zhu, Qi-Ru Wang
This article concerns the stability and periodicity of solutions to the delay dynamic system
on a time scale. By the inequality technique for vectors, we obtain some stability criteria for the above system. Then, by using the Horn fixed point theorem, we present some conditions under which our system is asymptotically periodic and its periodic solution is unique. In particular, the periodic solution is positive under proper assumptions.
Submitted November 17, 2013. Published April 11, 2014.
Math Subject Classifications: 34N05, 34K13, 34K20.
Key Words: Delay dynamic system; stability; periodic solution; fixed point; time scales.
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| Zhi-Qiang Zhu |
Department of Computer Science
Guangdong Polytechnic Normal University
Guangzhou 510665, China
| Qi-Ru Wang |
School of Mathematics and Computational Science
Sun Yat-Sen University
Guangzhou 510275, China
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