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Questions related to the spectrum of graphs, defined using one of the possible variants of the discrete Laplace operator or Laplacian matrix. See https://en.wikipedia.org/wiki/Discrete_Laplace_operator

17 votes

What are good mathematical models for spider webs?

So, I promised I would come up with some answer, but looks like there is already a great deal in the great answers above. Anyway, I find it impossible to resist the temptation, especially because I t …
Mirco A. Mannucci's user avatar
44 votes
Accepted

Intuitively, what does a graph Laplacian represent?

How to understand the Graph Laplacian (3-steps recipe for the impatients) read the answer here by Muni Pydi. This is essentially a concentrate of a comprehensive article, which is very nice and well- …
Mirco A. Mannucci's user avatar