{"title":"磁微极流体运动方程平稳解的新刘维尔型定理","authors":"Youseung Cho , Jiří Neustupa , Minsuk Yang","doi":"10.1016/j.jde.2025.113488","DOIUrl":null,"url":null,"abstract":"<div><div>We establish new Liouville-type theorems for smooth stationary solutions of the system of equations governing the motion of a magneto-micropolar fluid in <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>3</mn></mrow></msup></math></span>. <span><span>Theorem 1</span></span> imposes conditions on the growth of the averaged oscillations of the potentials of the velocity <strong>u</strong>, the angular rotation <strong>w</strong> of fluid particles, and the magnetic field <strong>b</strong>. <span><span>Theorem 2</span></span> imposes conditions on the rate of spatial growth of <strong>u</strong>, <strong>w</strong>, and <strong>b</strong>. As a direct consequence of <span><span>Theorem 2</span></span>, we obtain <span><span>Theorem 3</span></span>, where we assume that <strong>u</strong>, <strong>w</strong>, and <strong>b</strong> are integrable over <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>3</mn></mrow></msup></math></span> with exponents satisfying relatively weak restrictions.</div></div>","PeriodicalId":15623,"journal":{"name":"Journal of Differential Equations","volume":"441 ","pages":"Article 113488"},"PeriodicalIF":2.3000,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"New Liouville-type theorems for stationary solutions of the equations of motion of a magneto-micropolar fluid\",\"authors\":\"Youseung Cho , Jiří Neustupa , Minsuk Yang\",\"doi\":\"10.1016/j.jde.2025.113488\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>We establish new Liouville-type theorems for smooth stationary solutions of the system of equations governing the motion of a magneto-micropolar fluid in <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>3</mn></mrow></msup></math></span>. <span><span>Theorem 1</span></span> imposes conditions on the growth of the averaged oscillations of the potentials of the velocity <strong>u</strong>, the angular rotation <strong>w</strong> of fluid particles, and the magnetic field <strong>b</strong>. <span><span>Theorem 2</span></span> imposes conditions on the rate of spatial growth of <strong>u</strong>, <strong>w</strong>, and <strong>b</strong>. As a direct consequence of <span><span>Theorem 2</span></span>, we obtain <span><span>Theorem 3</span></span>, where we assume that <strong>u</strong>, <strong>w</strong>, and <strong>b</strong> are integrable over <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>3</mn></mrow></msup></math></span> with exponents satisfying relatively weak restrictions.</div></div>\",\"PeriodicalId\":15623,\"journal\":{\"name\":\"Journal of Differential Equations\",\"volume\":\"441 \",\"pages\":\"Article 113488\"},\"PeriodicalIF\":2.3000,\"publicationDate\":\"2025-06-02\",\"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/S0022039625005157\",\"RegionNum\":2,\"RegionCategory\":\"数学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATHEMATICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Differential Equations","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022039625005157","RegionNum":2,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATHEMATICS","Score":null,"Total":0}
New Liouville-type theorems for stationary solutions of the equations of motion of a magneto-micropolar fluid
We establish new Liouville-type theorems for smooth stationary solutions of the system of equations governing the motion of a magneto-micropolar fluid in . Theorem 1 imposes conditions on the growth of the averaged oscillations of the potentials of the velocity u, the angular rotation w of fluid particles, and the magnetic field b. Theorem 2 imposes conditions on the rate of spatial growth of u, w, and b. As a direct consequence of Theorem 2, we obtain Theorem 3, where we assume that u, w, and b are integrable over with exponents satisfying relatively weak restrictions.
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