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arXiv 1502.01905math.AP
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两类负Gauss曲率曲面的等距浸入

Isometric Immersions of Surfaces with Two Classes of Metrics and Negative Gauss Curvature

Wentao Cao, Feimin Huang, Dehua Wang

摘要:

研究了二维黎曼流形或负Gauss曲率曲面在三维欧几里得空间中的等距浸入。利用粘性消失法和补偿紧性框架,在$L^\infty$中得到了大数据Gauss-Codazzi方程的整体弱解.通过对状态变量的变换和构造适当的不变域,得到了两类度量的$L^\infty$一致估计和$H^{-1}$紧性. Gauss-Codazzi方程的整体弱解在$L^\infty$中得到曲面在给定度量下的$L^\infty$等距浸入.

英文摘要:

The isometric immersion of two-dimensional Riemannian manifolds or surfaces with negative Gauss curvature into the three-dimensional Euclidean space is studied in this paper. The global weak solutions to the Gauss-Codazzi equations with large data in $L^\infty$ are obtained through the vanishing viscosity method and the compensated compactness framework. The $L^\infty$ uniform estimate and $H^{-1}$ compactness are established through a transformation of state variables and construction of proper invariant regions for two types of given metrics including the catenoid type and the helicoid type. The global weak solutions in $L^\infty$ to the Gauss-Codazzi equations yield the $L^\infty$ isometric immersions of surfaces with the given metrics.

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