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Eigenvalues and eigenvectors of the path Laplacian

Consider the Laplacian matrix of the path graph: $$ L = \begin{bmatrix} 1 & -1 & 0 & \cdots & 0 & 0\\ -1 & 2 & -1 & \cdots & 0 & 0\\ 0 & -1 & 2 & \...
user123's user avatar
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1 vote
2 answers
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From one eigenvector to many, in a very local graph?

Let $\Gamma$ be an undirected graph of bounded degree $d$ with $V = \{1,2,\dotsc,N\}$ as its set of vertices, and edges only between vertices that are at a distance $\leq M$ apart (where $M$ is much ...
H A Helfgott's user avatar
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3 votes
2 answers
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Eigenvectors of graph Laplacian for spectral clustering

I have the following questions regarding the graph Laplacian for spectral clustering: What is the intuition behind projecting the Laplacian (D-A, where D is the degree matrix and A is the affinity ...
YtroS's user avatar
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