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arXiv 1209.4869math.DGmath.SP
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黎曼曲面上Steklov特征值的重界

Multiplicity bounds for Steklov eigenvalues on Riemannian surfaces

Mikhail Karpukhin, Gerasim Kokarev, Iosif Polterovich

摘要:

证明了带边界紧致曲面上Steklov特征值重数$σ_k$的两个显式界。其中一个边界仅依赖于曲面的亏格和特征值的指数$k$,而另一个边界也依赖于边界分量的数目。我们还证明了在任何给定的光滑黎曼曲面上,Steklov特征值$σ_k$的重数在$k$中是一致有界的。

英文摘要:

We prove two explicit bounds for the multiplicities of Steklov eigenvalues $σ_k$ on compact surfaces with boundary. One of the bounds depends only on the genus of a surface and the index $k$ of an eigenvalue, while the other depends as well on the number of boundary components. We also show that on any given smooth Riemannian surface with boundary, the multiplicities of Steklov eigenvalues $σ_k$ are uniformly bounded in $k$.

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