Abstract
In this paper, we prove existence and uniqueness of Lipschitz continuous viscosity solutions for Dirichlet problems involving a class a fully non-linear operators on Lie groups. In particular, we consider the elementary symmetric functions of the eigenvalues of the Hessian built with left-invariant vector fields.
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Notes
Remark that the cone \(\varGamma^{m}_{k}\) is invariant with respect to permutation of λ j .
We recall that A is k-admissible if σ j (A)≥0 for every j=1,…,k.
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Communicated by Steven G. Krantz.
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Martino, V., Montanari, A. Lipschitz Continuous Viscosity Solutions for a Class of Fully Nonlinear Equations on Lie Groups. J Geom Anal 24, 169–189 (2014). https://doi.org/10.1007/s12220-012-9332-2
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DOI: https://doi.org/10.1007/s12220-012-9332-2
Keywords
- Degenerate elliptic PDE’s
- Elementary symmetric functions of the eigenvalues
- Horizontal Hessian
- Left invariant vector fields
- Comparison principle
- Gradient estimates