dc.creator | Fernandez Bonder, Julian | |
dc.creator | Lami Dozo, Enrique Jose | |
dc.creator | Rossi, Julio Daniel | |
dc.date.accessioned | 2020-07-27T13:43:56Z | |
dc.date.accessioned | 2022-10-15T10:31:29Z | |
dc.date.available | 2020-07-27T13:43:56Z | |
dc.date.available | 2022-10-15T10:31:29Z | |
dc.date.created | 2020-07-27T13:43:56Z | |
dc.date.issued | 2004-11 | |
dc.identifier | Fernandez Bonder, Julian; Lami Dozo, Enrique Jose; Rossi, Julio Daniel; Symmetry properties for the extremals of the Sobolev trace embedding; Gauthier-Villars/Editions Elsevier; Annales de L4institut Henri Poincare-analyse Non Lineaire; 21; 6; 11-2004; 795-805 | |
dc.identifier | 0294-1449 | |
dc.identifier | http://hdl.handle.net/11336/110302 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4375908 | |
dc.description.abstract | In this article we study symmetry properties of the extremals for the Sobolev trace embedding H1(B(0, µ)) ,→ Lq(∂B(0, µ)) with 1 ≤ q ≤2(N − 1)/(N − 2) for different values of µ. These extremals u are solutions of the problem {∆u = u in B(0, µ), ∂u_∂η = λ|u|q−2u on ∂B(0, µ). We find that, for 1 ≤ q < 2(N − 1)/(N − 2), there exists a unique normalized extremal u, which is positive and has to be radial, for µ small enough. For the critical case, q = 2(N−1)/(N−2), as a consequence of the symmetry properties for small balls, we conclude the existence of radial extremals. Finally, for 1 < q ≤ 2, we show that a radial extremal exists for every ball. | |
dc.description.abstract | Dans cet article nous étudions des propriétés de symétrie des extrémales de l’immersion de Sobolev H1(B(0, µ)) →Lq (∂B(0, µ)), où 1 q 2(N − 1)/(N − 2) en fonction du rayon µ. Ces extrémales sont solutions du problème {∆= u dans B(0, µ), ∂u_∂η = λ|u| q−2u sur ∂B(0, µ). Nous trouvons que, pour 1 ≤ q < 2(N − 1)/(N − 2), il existe une extrémale normalisée unique u, qui est positive et radiale, pour µ suffisamment petite. Dans le cas critique q = 2(N − 1)/(N − 2), comme conséquence des propriétés de symétrie pour des petits rayons, nous déduisons l’existence d’extrémales. Finalement, pour 1 < q ≤ 2, nous montrons qu’une extrémale radiale existe pour toute boule. | |
dc.language | eng | |
dc.publisher | Gauthier-Villars/Editions Elsevier | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0294144904000198?via%3Dihub | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.anihpc.2003.09.005 | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | NONLINEAR BOUNDARY CONDITIONS | |
dc.subject | SOBOLEV TRACE EMBEDDING | |
dc.title | Symmetry properties for the extremals of the Sobolev trace embedding | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |