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Bifurcation results for semilinear elliptic problems in RN

Marino Badiale, Alessio Pomponio

math.AParXiv:math/0211342

Abstract

In this paper we obtain, for a semilinear elliptic problem in RN, families of solutions bifurcating from the bottom of the spectrum of -Δ. The problem is variational in nature and we apply a nonlinear reduction method which allows us to search for solutions as critical points of suitable functionals defined on finite-dimensional manifolds.

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