Almost-rigidity and the extinction time of positively curved Ricci flows

作者：Bamler Richard H; Maximo Davi^*

来源：Mathematische Annalen, 2017, 369(1-2): 899-911.

DOI：10.1007/s00208-016-1494-y

We prove that Ricci flows with almost maximal extinction time must be nearly round, provided that they have positive isotropic curvature when crossed with . As an application, we show that positively curved metrics on and with almost maximal width must be nearly round.

• 出版日期2017-10