H^n xR和R^{n+1}中的极小图
Minimal graphs in H^n xR and R^{n+1}
摘要:
我们构造了H^n-xR中极小图的几何障碍。本文证明了H^n中一个凸多面体内部的垂直极小方程的解的存在性和唯一性,该凸多面体连续延伸到每个面的内部,在一个面上取无穷大边界值,在其他面上取零边界值.在H^n-x R中,我们求解了C^0凸区域上垂直极小方程的狄利克雷问题,其中取任意连续的有限边界和渐近边界数据.本文证明了另一个Scherk型超曲面的存在性,该超曲面是由在某个可容许多面体内部的垂直极小方程的解给出的,该多面体在该多面体的相邻面上交替取无穷值+ \infty和- \infty.这些多面体可以选择为凸的或非凸的。当环境是欧几里得空间R^ {n+1}时,我们对极小图建立了类似的结果.
英文摘要:
We construct geometric barriers for minimal graphs in H^n xR. We prove the existence and uniqueness of a solution of the vertical minimal equation in the interior of a convex polyhedron in H^n extending continuously to the interior of each face, taking infinite boundary data on one face and zero boundary value data on the other faces. In H^n xR, we solve the Dirichlet problem for the vertical minimal equation in a C^0 convex domain taking arbitrarily continuous finite boundary and asymptotic boundary data. We prove the existence of another Scherk type hypersurface, given by the solution of the vertical minimal equation in the interior of certain admissible polyhedron taking alternatively infinite values +\infty and -\infty on adjacent faces of this polyhedron. Those polyhedra may be chosen convex or non convex. We establish analogous results for minimal graphs when the ambient is the Euclidean space R^ {n+1}.
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