Principal eigenvalues and an anti-maximum principle for homogeneous fully nonlinear elliptic equations

Abstract

We study the fully nonlinear elliptic equation $F(D^{2}u,Du,u,x)=f$ in a smooth bounded domain $\Omega$, under the assumption the nonlinearity $F$ is uniformly elliptic and positively homogeneous. Recently, it has been shown that such operators have two principal "half" eigenvalues, and that the corresponding Dirichlet problem possesses solutions, if both of the principal eigenvalues are positive. In this paper, we prove the existence of solutions of the Dirichlet problem if both principal eigenvalues are negative, provided the "second" eigenvalue is positive, and generalize the anti-maximum principle of Clément and Peletier to homogeneous, fully nonlinear operators.

32 pages

References in corpus (1)

• Nonlinear Eigenvalues and Bifurcation Problems for Pucci's Operator

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