Abstract
In this paper, the differential system of second-order with variable coefficients is studied, and some criteria of the boundedness and asymptotic behavior for solutions are given. Consider a system of differential equations
Now we study the boundedness and asymptotic behavior of its solutions. In the case of pij (t)being periodic functions, it was investigated by Burdina[1]; in the case of pij (t) being arbitrary functions, it has not been investigated yet. Besides, the method used by Burdina is only appropriate for the former but not for the latter case. In this paper we shall give a method which is appropriate for both cases.
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References
Burdina, V.I.,A Criterion of Boundedness for Solutions of a System of Differential Equations of Second Order with Periodic Coefficients, Doklady Akad. Nauk SSSR, (N.S.) 90 (1953). (in Russian)
Borg, G.,On a Liapounoff Criterion of Stability, Amer. Jour. of Math. V. 71, No. 1, (1949).
Sansone, G.,Equazioni Differenziali nel Campo Reale, 2 vols., second edit. Zanichelli (1948). (Russian version) Vol. 2., Moscow, 1953)
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Communicated by Chien Wei-zang.
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Li, L. The boundedness and asymptotic behavior of solutions of differential system of second-order with variable coefficients. Appl Math Mech 3, 541–547 (1982). https://doi.org/10.1007/BF01908228
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DOI: https://doi.org/10.1007/BF01908228