Stine Franziska Beitz — Neckpinchhttps://neckpinch.com/authors/stine-franziska-beitz/New arXiv papers by Stine Franziska Beitz, from Neckpinch Tue, 10 Nov 2026 04:10:28 GMT Bianchi-convex sets and a new maximum principle for the Ricci flowhttps://neckpinch.com/papers/1902.09088/arxiv:1902.09088Mon, 25 Feb 2019 00:00:00 GMTStine Franziska Beitz — We introduce the new notion of Bianchi-convex sets, a generalization of convex sets of algebraic curvature tensors inspired by the second Bianchi identity. It turns out that Hamilton's maximum principle for the Ricci flow can be generalized for Bianchi-convex sets.Ricci flow