TITLE

# Single-point condensation phenomena for a four-dimensional biharmonic Renï¿½Wei problem

AUTHOR(S)
Takahashi, Futoshi
PUB. DATE
August 2007
SOURCE
Calculus of Variations & Partial Differential Equations;Aug2007, Vol. 29 Issue 4, p509
SOURCE TYPE
DOC. TYPE
Article
ABSTRACT
We continue to study the asymptotic behavior of least energy solutions to the following fourth order elliptic problem ( E p ): $$(E_p) \left \{ \begin{array}{ll} \Delta^2 u = u^p & \hbox{in} \; \Omega, \\ u > 0 & \hbox{in} \; \Omega, \\ u |_{\partial\Omega} = \Delta u |_{\partial\Omega} = 0 \end{array} \right.$$ as p gets large, where O is a smooth bounded domain in R 4 . In our earlier paper (Takahashi in Osaka J. Math., 2006), we have shown that the least energy solutions remain bounded uniformly in p and they have one or two ï¿½peaksï¿½ away form the boundary. In this note, following the arguments in Adimurthi and Grossi (Proc. AMS 132(4):1013ï¿½1019, 2003) and Lin and Wei (Comm. Pure Appl. Math. 56:784ï¿½809, 2003), we will obtain more sharper estimates of the upper bound of the least energy solutions and prove that the least energy solutions must develop single-point spiky pattern, under the assumption that the domain is convex.
ACCESSION #
25137942

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