Abstract
Using the theory of commutative Banach algebras, we find an estimate of the solution of a higher-order linear differential equation; from this estimate, we derive a Lyapunov asymptotic stability test for this equation. Here the results by Faedo and Kharitonov on the Hurwitz conditions for families of polynomials find a natural application. Similar statements are obtained for a system of linear differential equations.
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Funding
The research of the first author was supported by the Russian Foundation for Basic Research under grant no. 19-01-00732.
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Translated from Matematicheskie Zametki, 2023, Vol. 113, pp. 489–498 https://doi.org/10.4213/mzm13710.
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Kostrub, I.D., Perov, A.I. Spectral Test for Exponential Stability. Math Notes 113, 480–487 (2023). https://doi.org/10.1134/S0001434623030203
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DOI: https://doi.org/10.1134/S0001434623030203