Yucheng Ji — Neckpinchhttps://neckpinch.com/authors/yucheng-ji/New arXiv papers by Yucheng Ji, from Neckpinch Tue, 03 Nov 2026 08:41:12 GMT A Simple Ricci Flow Proof of the Uniformization Theoremhttps://neckpinch.com/papers/2404.01980/arxiv:2404.01980Tue, 02 Apr 2024 00:00:00 GMTYucheng Ji — In this note, we provide a very simple proof of the uniformization theorem of Riemann surfaces by Ricci flow. The argument builds on a refinement of Hamilton's isoperimetric estimate for the Ricci flow on the two-sphere.Ricci flowSurfacesGeometric inequalities