{"title":"对于某些双相积分没有Lavrentiev隙","authors":"Filomena De Filippis, F. Leonetti","doi":"10.1515/acv-2021-0109","DOIUrl":null,"url":null,"abstract":"Abstract We prove the absence of the Lavrentiev gap for non-autonomous functionals ℱ ( u ) ≔ ∫ Ω f ( x , D u ( x ) ) 𝑑 x , \\mathcal{F}(u)\\coloneqq\\int_{\\Omega}f(x,Du(x))\\,dx, where the density f ( x , z ) {f(x,z)} is α-Hölder continuous with respect to x ∈ Ω ⊂ ℝ n {x\\in\\Omega\\subset\\mathbb{R}^{n}} , it satisfies the ( p , q ) {(p,q)} -growth conditions | z | p ⩽ f ( x , z ) ⩽ L ( 1 + | z | q ) , \\lvert z\\rvert^{p}\\leqslant f(x,z)\\leqslant L(1+\\lvert z\\rvert^{q}), where 1 < p < q < p ( n + α n ) {1<p<q<p(\\frac{n+\\alpha}{n})} , and it can be approximated from below by suitable densities f k {f_{k}} .","PeriodicalId":49276,"journal":{"name":"Advances in Calculus of Variations","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"No Lavrentiev gap for some double phase integrals\",\"authors\":\"Filomena De Filippis, F. Leonetti\",\"doi\":\"10.1515/acv-2021-0109\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract We prove the absence of the Lavrentiev gap for non-autonomous functionals ℱ ( u ) ≔ ∫ Ω f ( x , D u ( x ) ) 𝑑 x , \\\\mathcal{F}(u)\\\\coloneqq\\\\int_{\\\\Omega}f(x,Du(x))\\\\,dx, where the density f ( x , z ) {f(x,z)} is α-Hölder continuous with respect to x ∈ Ω ⊂ ℝ n {x\\\\in\\\\Omega\\\\subset\\\\mathbb{R}^{n}} , it satisfies the ( p , q ) {(p,q)} -growth conditions | z | p ⩽ f ( x , z ) ⩽ L ( 1 + | z | q ) , \\\\lvert z\\\\rvert^{p}\\\\leqslant f(x,z)\\\\leqslant L(1+\\\\lvert z\\\\rvert^{q}), where 1 < p < q < p ( n + α n ) {1<p<q<p(\\\\frac{n+\\\\alpha}{n})} , and it can be approximated from below by suitable densities f k {f_{k}} .\",\"PeriodicalId\":49276,\"journal\":{\"name\":\"Advances in Calculus of Variations\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2022-08-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Calculus of Variations\",\"FirstCategoryId\":\"100\",\"ListUrlMain\":\"https://doi.org/10.1515/acv-2021-0109\",\"RegionNum\":3,\"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":"Advances in Calculus of Variations","FirstCategoryId":"100","ListUrlMain":"https://doi.org/10.1515/acv-2021-0109","RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 5
摘要
摘要证明了非自治函子_ _ (u)是∫Ω f _ (x),D _ (u) _ (x)) _𝑑x, \mathcal{F} (u) \coloneqq\int _ {\Omega} f(x,Du(x))\,dx,其中f _ (x, z) {f(x,z)}对于x∈Ω是α-Hölder连续的,∧∈Ω {x\in\Omega\subset\mathbb{R} ^ {n}}满足(p,q) {(p,q)} -生长条件| z | p≤f(x,z)≤L(1+ | z | q), \lvert z \rvert ^ {p}\leqslant f(x,z) \leqslant L(1+ \lvert z \rvert ^ {q}),其中1 < p < q < p≠(n + α n) {1
Abstract We prove the absence of the Lavrentiev gap for non-autonomous functionals ℱ ( u ) ≔ ∫ Ω f ( x , D u ( x ) ) 𝑑 x , \mathcal{F}(u)\coloneqq\int_{\Omega}f(x,Du(x))\,dx, where the density f ( x , z ) {f(x,z)} is α-Hölder continuous with respect to x ∈ Ω ⊂ ℝ n {x\in\Omega\subset\mathbb{R}^{n}} , it satisfies the ( p , q ) {(p,q)} -growth conditions | z | p ⩽ f ( x , z ) ⩽ L ( 1 + | z | q ) , \lvert z\rvert^{p}\leqslant f(x,z)\leqslant L(1+\lvert z\rvert^{q}), where 1 < p < q < p ( n + α n ) {1
期刊介绍:
Advances in Calculus of Variations publishes high quality original research focusing on that part of calculus of variation and related applications which combines tools and methods from partial differential equations with geometrical techniques.