Boundedness of Solutions of Nonautonomous Degenerate Logistic Equations

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-03-25 DOI:10.1007/s10884-024-10354-x
José M. Arrieta, Marcos Molina-Rodríguez, Lucas A. Santos
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Abstract

In this work we analyze the boundedness properties of the solutions of a nonautonomous parabolic degenerate logistic equation in a bounded domain. The equation is degenerate in the sense that the logistic nonlinearity vanishes in a moving region, K(t), inside the domain. The boundedness character of the solutions depends not only on, roughly speaking, the first eigenvalue of the Laplace operator in K(t) but also on the way this moving set evolves inside the domain and in particular on the speed at which it moves.

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非自治退化逻辑方程解的有界性
在这项研究中,我们分析了有界域中一个非自主抛物线退化逻辑方程解的有界性特性。该方程是退化的,即在域内的移动区域 K(t) 中,Logistic 非线性消失。粗略地说,解的有界性不仅取决于 K(t) 中拉普拉斯算子的第一个特征值,还取决于这个移动集在域内的演变方式,特别是其移动速度。
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来源期刊
Accounts of Chemical Research
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.
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