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Arrieta Algarra, José María and Rodríguez Bernal, Aníbal and Rossi, Julio D. (2008) The best Sobolev trace constant as limit of the usual Sobolev constant for small strips near the boundary. Proceedings of the Royal Society of Edinburgh: Section A Mathematics, 138 (2). 223237 . ISSN 03082105

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Official URL: http://journals.cambridge.org/action/displayJournal?jid=PRM
Abstract
In this paper we prove that the best constant in the Sobolev trace embedding H1() ,! Lq(@) in a bounded smooth domain can be obtained as the limit as " ! 0 of the best constant of the usual Sobolev embedding H1() ,! Lq(!", dx/") where !" = {x 2 : dist(x, @) < "} is a small neighborhood of the boundary. We also analyze symmetry properties of extremals of this last embedding when is a ball.
Item Type:  Article 

Uncontrolled Keywords:  Nonlinear boundary conditions, Sobolev trace embedding, Symmetry of extremals 
Subjects:  Sciences > Mathematics > Differential equations 
ID Code:  13423 
Deposited On:  17 Oct 2011 14:59 
Last Modified:  12 Dec 2018 15:07 
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