Multiplicidade de soluções nodais para problemas elipticos quasilineares

AUTOR(ES)
DATA DE PUBLICAÇÃO

2004

RESUMO

The objective of this work is to investigate the number of solutions which change sign exactly once for some classes of quasilinear elliptic problems. We consider three type of problems: subcritical in a bounded domain or in the whole space Rn, and a critical problem in a bounded domain. In alI of them, the number of solutions is related with the equivariant topology of some suitable set. The main tools utilized are Variational Methods and Equivariant Ljusternik-Schnirelmann Theory

ASSUNTO(S)

equações diferenciais elipticas equações diferenciais parciais não-lineares equações diferenciais parciais

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