Barta定理的推广及其几何应用
An Extension of Barta's Theorem and Geometric Applications
摘要:
我们证明了一个定理的推广的Barta然后我们做一些几何应用。推广了Cheng关于正规测地线球的下特征值估计.推广了空间型的极小子流形的Cheng-Li-Yau特征值估计.本文证明了欧几里得空间中极小超曲面的一个稳定性定理,给出了Schoen的一个结果的逆命题.最后,我们证明了Kazdan-Kramer关于一类拟线性椭圆型方程解的存在性的一个结果的推广。
英文摘要:
We prove an extension of a theorem of Barta then we make few geometric applications. We extend Cheng's lower eigenvalue estimates of normal geodesic balls. We generalize Cheng-Li-Yau eigenvalue estimates of minimal submanifolds of the space forms. We prove an stability theorem for minimal hypersurfaces of the Euclidean space, giving a converse statement of a result of Schoen. Finally we prove a generalization of a result of Kazdan-Kramer about existence of solutions of certain quasi-linear elliptic equations.
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