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非線性三階時滯微分方程的振動性

2024-04-04 14:06趙玉萍

摘要:利用Riccati變換、不等式技巧和分析性質,研究了一類三階非線性時滯微分方程解的振動性和漸近性,獲得了該類方程振動的充分條件,最后用例子作了驗證.

關鍵詞:時滯微分方程;Riccati變換;振動性;漸近性;正解

中圖分類號:O 175.7文獻標志碼:A文章編號:1001-988Ⅹ(2024)02-0021-05

Oscillation criteria for third order nonlinear delay differential equations

ZHAO Yu-ping

Abstract:By using Riccati transformation,inequality techniques and analytical properties,the oscillation criteria and asymptotic behavior of solutions for a class of third order nonlinear delay differential equations are studied,the sufficient conditions for the oscillation of the equations are established.Finally,an example is used to verify it.

Key words:delay differential equation;Riccati transformation;oscillation criteria;asymptotic property;positive solution

0 引言

近年來,高階非線性微分方程的振動性問題被廣泛應用在生物學、天體物理、人工智能和流體力學等高新技術領域,方程振動性的研究受到了很大關注,取得了許多重要結果[1-12].

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(責任編輯 馬宇鴻)

收稿日期:2023-08-10;修改稿收到日期:2023-09-18

基金項目:國家自然科學基金資助項目(12161071);青海省科技廳資助項目(2023-ZJ-949Q)

作者簡介:趙玉萍(1975—),女,青海西寧人,教授,碩士.主要研究方向為微分方程振動性.E-mail:234880202@qq.com

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