In this time, I’ll talk about another kind of simplicial Ricci flow, Regge-Ricci flow, which uses circumecentric dual as it’s frame. I’ll first define curvatures on a piecewise flat manifold, and introduce the flow, then show some example of 3-dimensional manifolds

References:
Warner A. Miller, Jonathan R. McDonald, Paul M. Alsing, David Gu, Shing-Tung Yau "Simplicial Ricci Flow".