Integrating the enveloping technique with the expansion strategy to establish stability

Ziyad AlSharawi and Jose S. Cánovas

Mathematics and Computers in Simulation (MATCOM), 2026, vol. 243, issue C, 1-15

Abstract: In this paper, we focus on finding one-dimensional maps that detect global stability in multidimensional maps. We consider various local and global stability techniques in discrete-time dynamical systems and discuss their advantages and limitations. Specifically, we navigate through the embedding technique, the expansion strategy, the dominance condition technique, and the enveloping technique to establish a unifying approach to global stability. We introduce the concept of strong local asymptotic stability (SLAS), then integrate what we call the expansion strategy with the enveloping technique to develop the enveloping technique for two-dimensional maps, which allows to give novel global stability results. Our results make it possible to verify global stability geometrically for two-dimensional maps. We provide several illustrative examples to elucidate our concepts, bolster our theory, and demonstrate its application.

Keywords: Local stability; Strong local stability; Global stability; Expansion strategy; Enveloping technique; Embedding technique; Schur stability (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:243:y:2026:i:c:p:1-15

DOI: 10.1016/j.matcom.2025.11.020

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