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The Laplacian matrix is the representation of a graph in matrix form.
5
votes
The contractivity of the heat semigroup in $L^p$ spaces
I will sketch the construction for a general Riemannian Manifold, thought as a triple $(M,d_g,Vol_g)$ (Smooth manifold $M$, Riemannian Metric $d_g$, volume form $Vol_g$) and at the end provide referen …