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Nonexistence results for a class of nonlinear elliptic equations involving critical Sobolev exponents

Cristina Tarsi

math.AParXiv:math/0411285

Abstract

In this paper we study the problem of bifurcation from the origin of solutions of elliptic Dirichlet problems involving critical Sobolev exponent, defined on a bounded domain Ω in R N: we prove that the first critical case are N=3, 4 (not only N=3, as just proved by Brezis and Nirenberg), exhibiting two nonexistence results for a class of elliptic problem in these dimensions.

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