对偶极图上Laplacian特征空间的紧框架
Tight Frames for Eigenspaces of the Laplacian on Dual Polar Graphs
摘要:
我们认为$Γ=(X,E)$是一个对偶极图,并给出了与$Γ$相关的Laplacian算子在每个特征空间上的紧框架.我们计算与每个紧框架相关的常数,作为应用,我们给出了一个公式的产品在诺顿代数连接到对应的第二大特征值的拉普拉斯算子的特征空间。
英文摘要:
We consider $Γ=(X,E)$ a dual polar graph and we give a tight frame on each eigenspace of the Laplacian operator associated to $Γ$. We compute the constants associated to each tight frame and as an application we give a formula for the product in the Norton algebra attached to the eigenspace corresponding to the second largest eigenvalue of the Laplacian.
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