Generalized solutions to the Dirichlet problem of translating mean curvature equations

Abstract

In this paper we study the Dirichlet problem of translating mean curvature equations over domains in Riemannian manifolds with dimension $n$. Imitating the generalized solution theory of Miranda-Giusti, we define a new conformal area functional and a generalized solution to this Dirichlet problem. The existence of generalized solutions to this problem on bounded Lipschitz domains is established. If the domain is mean convex and bounded with $C^2$ boundary, its closure does not contain any closed minimal hypersurface except a singular set with its Hausdorff dimension at most $n-7$ and the boundary data is continuous, the generalized solution is the desirable classical smooth solution. The non-minimal condition could not be removed in general.

59 pages. Correct a typo in (3.1) in Definition 3.1 in page 11. This definition follows exactly the book of Giusti and equals to the areas of graphs in product manifolds. Correct a typo in Remark C.3. Comments Welcome

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