Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/95384
Type: Artigo de periódico
Title: Concentration Sets For 2d Incompressible Flow
Author: Lopes-Filho M.C.
Nussenzveig Lopes H.J.
Abstract: We recall the definition of DiPerna-Majda concentration sets and their role in the study of existence for the incompressible 2D Euler equations with singular initial data. We review examples of concentration-cancellation, focusing on the issue of dynamic kinetic energy defects for the limit flows. We also describe a recent refined estimate of the dimension of (sequential) concentrations which depends on additional temporal regularity. Finally, we discuss the possibility of obtaining the temporal regularity apriori for smooth solutions and a related problem of controlling the evolution of the support of vorticity.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-33749477895&partnerID=40&md5=d6afbcf8b3bc477d2752ce3d21b01ec8
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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