周期性二阶系统和耦合强迫范德波尔振荡器

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-11 DOI:10.1007/s11784-024-01115-w

Feliz Minhós, Sara Perestrelo

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引用次数: 0

摘要

我们提出了二阶非线性耦合平面系统周期解的存在性和定位结果，而不要求非线性的周期性。存在性工具的论证基于南云条件的变体和拓扑度理论。本地化工具基于无序上解和下解技术，涉及带平移的函数。我们将这一结果应用于一个由两个耦合范德波尔振荡器组成的系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Periodic second-order systems and coupled forced Van der Pol oscillators

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Periodic second-order systems and coupled forced Van der Pol oscillators

We present an existence and localization result for periodic solutions of second-order non-linear coupled planar systems, without requiring periodicity for the non-linearities. The arguments for the existence tool are based on a variation of the Nagumo condition and the Topological Degree Theory. The localization tool is based on a technique of orderless upper and lower solutions, that involves functions with translations. We apply our result to a system of two coupled Van der Pol oscillators with a forcing component.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.