All Questions

I would like to know if there is any notion of a discrete Riemannian metric on graphs. C. Mercat has worked on discrete Riemann Surfaces, but that's not exactly what I am working on. To be more ...

Rephrasing expansion (slightly). Consider the following slightly tweaked version of the usual definition of a (spectral) expander graph. (We write a weighted graph as $(V,\beta)$, where the weight $\...