Stability Analysis of the First Order Non-linear Impulsive Time Varying Delay Dynamic System on Time Scales

  • Syed Omar Shah
  • Akbar ZadaEmail author
  • Alaa E. Hamza


In this paper, we study Hyers–Ulam stability and Hyers–Ulam–Rassias stability of first order non-linear impulsive time varying delay dynamic system on time scales, via a fixed point approach. We obtain some results of existence and uniqueness of solutions by using Picard operator. The main tools for our results are the Grönwall’s inequality on time scales, abstract Grönwall lemma and Banach contraction principle. In order to overcome difficulties arises in our considered model, we pose some conditions along with Lipchitz condition. At the end, an example is given that shows the validity of our main results.


Hyers–Ulam stability Time scale Impulses Delay dynamic system 

Mathematics Subject Classification

34N05 34G20 34A37 35B35 



The authors express their sincere gratitude to the Editor and referees for the careful reading of the original manuscript and useful comments that helped to improve the presentation of the results.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no competing interest regarding this research work.

Author’s Contributions

All the authors contributed equally and significantly in writing this paper. All the authors read and approved the final manuscript.


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Authors and Affiliations

  1. 1.Department of MathematicsUniversity of PeshawarPeshawarPakistan
  2. 2.Department of Mathematics, Faculty of ScienceCairo UniversityGizaEgypt

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