New formulation of Lyapunov direct method for nonautonomous real-order systems
Articles
Bichitra Kumar Lenka
Indian Institute of Technology Guwahati
Swaroop Nandan Bora
Indian Institute of Technology Guwahati
https://orcid.org/0000-0003-3242-1638
Published 2025-01-09
https://doi.org/10.15388/namc.2025.30.38471
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Keywords

real-order calculus
nonautonomous real-order system
nonlinear system
random initial time
stability

How to Cite

Lenka, B.K. and Bora, S.N. (2025) “New formulation of Lyapunov direct method for nonautonomous real-order systems”, Nonlinear Analysis: Modelling and Control, 30, pp. 1–16. doi:10.15388/namc.2025.30.38471.

Abstract

Lyapunov stability analysis of nonautonomous real-order systems is put forward here in the sense of Caputo in a new and different way. We introduce new theorems and inequalities that give stability of constant solutions in the domain of attraction to such systems when attached with random initial time placed on the real axis. We give some examples including an advanced nonlinear Lorenz system to illustrate the results.

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