{"title":"Improved blow-up criteria for some Camassa-Holm type equations","authors":"Rudong Zheng","doi":"10.1016/j.jde.2024.09.022","DOIUrl":null,"url":null,"abstract":"<div><p>We study the blow-up phenomena for some integrable Camassa-Holm type equations on the line. For the two-component Camassa-Holm system, we give a sufficient condition on the initial data that leads to a blow-up. For the Degasperis-Procesi equation, we establish a local-in-space blow-up criterion which improves considerably the early criterion based on the sign-changing momentum. Besides, we obtain some new blow-up criteria for the Novikov equation and the modified Camassa-Holm equation.</p></div>","PeriodicalId":15623,"journal":{"name":"Journal of Differential Equations","volume":null,"pages":null},"PeriodicalIF":2.4000,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Differential Equations","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022039624006077","RegionNum":2,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 0
Abstract
We study the blow-up phenomena for some integrable Camassa-Holm type equations on the line. For the two-component Camassa-Holm system, we give a sufficient condition on the initial data that leads to a blow-up. For the Degasperis-Procesi equation, we establish a local-in-space blow-up criterion which improves considerably the early criterion based on the sign-changing momentum. Besides, we obtain some new blow-up criteria for the Novikov equation and the modified Camassa-Holm equation.
期刊介绍：
The Journal of Differential Equations is concerned with the theory and the application of differential equations. The articles published are addressed not only to mathematicians but also to those engineers, physicists, and other scientists for whom differential equations are valuable research tools.
Research Areas Include:
• Mathematical control theory
• Ordinary differential equations
• Partial differential equations
• Stochastic differential equations
• Topological dynamics
• Related topics
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