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Type: Artigo de periódico
Title: Divergence symmetries of semilinear polyharmonic equations involving critical nonlinearities
Author: Bozhkov, Y
Abstract: It is shown that a Lie point symmetry of the semilinear polyharmonic equations involving nonlinearities of power or exponential type is a variational/divergence symmetry if and only if the equation parameters assume critical values. The corresponding conservation laws for critical polyharmonic semilinear equations are established. (c) 2006 Elsevier Inc. All rights reserved.
Subject: divergence symmetry
conservation laws
polyharmonic equations
critical exponents
Country: EUA
Editor: Academic Press Inc Elsevier Science
Rights: fechado
Identifier DOI: 10.1016/j.jde.2005.12.002
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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