List questions from graph-laplacian | MathQA

Why can a similarity matrix be used instead of a Laplace matrix when using spectral clustering methods?

Published on 13 Oct 2022 - 3:27

Why does the condition $\sum_{x\in\Lambda}f_x=0$ imply the discrete Laplacian is invertible?

Published on 13 Nov 2022 - 11:03

Number of Spanning Trees in $Q_n$ via isomorphism to Cartesian product of $K_2$

Published on 28 Nov 2022 - 11:36

Extract metric of graph Laplacian

Published on 07 Dec 2022 - 8:43

Find the Degree matrix $D$ using the Adjacency matrix $A$ and (half of) the coordinates of a graph.

Published on 25 Mar 2026 - 18:49

Positive definiteness of graph Laplacian

Published on 13 Jan 2023 - 12:43