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Global attractivity of nonlinear delay dynamic equations on time scales via Lyapunov functional method

  • Nour H. M. Alsharif and Başak Karpuz EMAIL logo
Published/Copyright: June 9, 2025
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Abstract

In this paper, we consider the nonlinear dynamic equation with variable delay

(*) yΔ(t)+F(t,y(τ(t)))=0fort[t0,)T,

where 𝕋 is a time scale unbounded above, τ is an rd-continuous delay function and F is rd-continuous in its first component and continuous in its second component. We investigate the global attractivity of the trivial solution of () by the well-known Lyapunov’s functional method. Our research significantly enhances and expands upon various established results in the literature, presents new results on time scales by defining a new companion function, and offers original perspectives for nonlinear delay dynamic equations on time scales. In addition, we present some illustrative examples on time scales to showcase the applicability of the new results.

2020 Mathematics Subject Classification: 34A34; 34K20; 34N05
  1. (Communicated by Irena Jadlovská)

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Received: 2024-08-30
Accepted: 2024-11-28
Published Online: 2025-06-09
Published in Print: 2025-06-26

© 2025 Mathematical Institute Slovak Academy of Sciences

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