Geodesic
Stability of a stationary solution to one class of non-autonomous Sobolev type equations
Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie, Tome 16 (2023) no. 3, pp. 65-73 Cet article a éte moissonné depuis la source Math-Net.Ru

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The article is devoted to the study of the stability of a stationary solution to the Cauchy problem for a non-autonomous linear Sobolev type equation in a relatively bounded case. Namely, we consider the case when the relative spectrum of the equation operator can intersect with the imaginary axis. In this case, there exist no exponential dichotomies and the second Lyapunov method is used to study stability. The stability of stationary solutions makes it possible to evaluate the qualitative behavior of systems described using such equations. In addition to introduction, conclusion and list of references, the article contains two sections. Section 1 describes the construction of solutions to non-autonomous equations of the class under consideration, and Section 2 examines the stability of a stationary solution to such equations.
Keywords: relatively bounded operator, Lyapunov's second method, local stream of operators, asymptotic stability. 
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A. V. Buevich; M. A. Sagadeeva; S. A. Zagrebina. Stability of a stationary solution to one class of non-autonomous Sobolev type equations. Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie, Tome 16 (2023) no. 3, pp. 65-73. http://geodesic.mathdoc.fr/item/VYURU_2023_16_3_a4/

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