Abstract
We consider the boundary value problem Δu+⋎x⋎2α u p=0, α>0, in the unit ballB with homogeneous Dirichlet boundary condition andp a large exponent. We find a condition which ensures the existence of a positive solutionu p concentrating outside the origin atk symmetric points asp goes to +∞. The same techniques lead also to a more general result on general domains. In particular, we find that concentration at the origin is always possible, provided α⊄IN.
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The first author is supported by M.U.R.S.T., project “Variational methods and nonlinear differential equations” and a PIMS Postdoctoral Fellowship.
The second author is supported by M.U.R.S.T., project “Metodi variazionali e topologici nello studio di fenomeni non lineari.”
The third author is supported by an Earmarked Grant from RGC of HK.
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Esposito, P., Pistoia, A. & Wei, J. Concentrating solutions for the Hénon equation in ℝ2 . J. Anal. Math. 100, 249–280 (2006). https://doi.org/10.1007/BF02916763
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DOI: https://doi.org/10.1007/BF02916763