Abstract
A periodic boundary-value problem for an equation with a deviating spatial argument is considered. Using the Poincaré–Dulac method of normal forms, the method of integral manifolds, and asymptotic formulas, we examine a number of bifurcation problems of codimension 1 and 2. For homogeneous equilibrium states, we analyze possibilities of implementing critical cases of various types. The problem on the stability of homogeneous equilibrium states is studied and asymptotic formulas for spatially inhomogeneous solutions and conditions for their stability are obtained.
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Translated from Itogi Nauki i Tekhniki, Seriya Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory, Vol. 185, Proceedings of the All-Russian Scientific Conference “Differential Equations and Their Applications” Dedicated to the 85th Anniversary of Professor M. T. Terekhin. Ryazan State University named for S. A. Yesenin, Ryazan, May 17-18, 2019. Part 1, 2020.
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Kovaleva, A.M. Bifurcations of Spatially Inhomogeneous Solutions in a Modified Version of the Kuramoto–Sivashinsky Equation. J Math Sci 281, 398–411 (2024). https://doi.org/10.1007/s10958-024-07114-z
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DOI: https://doi.org/10.1007/s10958-024-07114-z
Keywords and phrases
- functional differential equation
- periodic boundary-value problem
- stability
- bifurcation
- asymptotics
- Kuramoto–Sivashinsky equation