Mary Cook — Neckpinchhttps://neckpinch.com/authors/mary-cook/New arXiv papers by Mary Cook, from Neckpinch Tue, 03 Nov 2026 08:37:45 GMT Preservation of product structures under the Ricci flow with instantaneous curvature boundshttps://neckpinch.com/papers/2202.04740/arxiv:2202.04740Wed, 09 Feb 2022 00:00:00 GMTMary Cook — In this note, we prove that there exists a constant ε>0, depending only on the dimension, such that if a complete solution to the Ricci flow splits as a product at time t=0 and has curvature bounded by fracεt, then the solution splits for all time.Ricci flow