Diblík Josef: Long-time behaviour of solutions of delayed-type linear differential equations. (2018)
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Abstract
This paper investigates the asymptotic behaviour of the solutions of the retarded-type linear differential functional equations with bounded delays x˙(t) = −L(t, xt) when t → ∞. The main results concern the existence of two significant positive and asymptotically different solutions x = ϕ (t), x = ϕ ∗∗(t) such that limt→∞ ϕ ∗∗(t)/ϕ (t) = 0. These solutions make it possible to describe the family of all solutions by means of an asymptotic formula. The investigation basis is formed by an auxiliary linear differential functional equation of retarded type y˙(t) = L (t, yt) such that L (t, yt) ≡ 0 for an arbitrary constant initial function yt . A commented survey of the previous results is given with illustrative examples.
| Item Type: | Journal |
|---|---|
| Publication full: | Electronic journal of qualitative theory of differential equations |
| Date: | 2018 |
| Number: | 47 |
| ISSN: | 1417-3875 |
| Page Range: | pp. 1-23 |
| DOI: | 10.14232/ejqtde.2018.1.47 |
| Uncontrolled Keywords: | Differenciálegyenlet - késleltetett, Differenciálegyenlet - lineáris |
| Additional Information: | Bibliogr.: p. 20-23. ; összefoglalás angol nyelven |
| Date Deposited: | 2019. Jun. 03. 06:04 |
| Last Modified: | 2021. Sep. 16. 10:42 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/58138 |
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