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Spectral Analysis Beyond $$\ell ^2$$ ℓ 2 on Sierpinski Lattices
Journal of Fourier Analysis and Applications ( IF 1.2 ) Pub Date : 2021-06-02 , DOI: 10.1007/s00041-021-09853-y
Shiping Cao , Yiqi Huang , Hua Qiu , Robert S. Strichartz , Xiaohan Zhu

We study the spectrum of the Laplacian on the Sierpinski lattices. First, we show that the spectrum of the Laplacian, as a subset of \({\mathbb {C}}\), remains the same for any \(\ell ^p\) spaces. Second, we characterize all the spectral points for the lattices with a boundary point.



中文翻译:

Sierpinski 格子上的超出 $$\ell ^2$$ ℓ 2 的光谱分析

我们研究了谢尔宾斯基格上的拉普拉斯算子的频谱。首先,我们证明拉普拉斯算子的频谱,作为\({\mathbb {C}}\)的子集,对于任何\(\ell ^p\)空间保持不变。其次,我们用边界点表征晶格的所有光谱点。

更新日期:2021-06-03
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