Eigenvalue, maximum principle and regularity for fully non linear homogeneous operators
Isabeau Birindelli - Dipartimento di Matematica, Università di Roma, Italy (email)
Abstract: The main scope of this article is to define the concept of principal eigenvalue for fully non linear second order operators in bounded domains that are elliptic, homogenous with lower order terms. In particular we prove maximum and comparison principle, Hölder and Lipschitz regularity. This leads to the existence of a first eigenvalue and eigenfunction and to the existence of solutions of Dirichlet problems within this class of operators.
Keywords: Fully nonlinear equation, viscosity solution, eigenvalue.
Received: February 2006; Revised: November 2006; Published: March 2007.
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