论文标题

RICCI流量的稳定长度函数

A steady length function for Ricci flow

论文作者

Jordan, Joshua

论文摘要

RICCI流动奇异性分析的基本步骤是Perelman发现单调体积数量的发现,该数量检测到(Arxiv:Math/0211159)中的孤子。 Feldman,Ilmanen和NI在2005年发现了类似的数量,这些数量检测到了孤子的扩大。当前的工作将修改的长度引入了朝着稳定的单调公式的第一步。该长度的功能以通常的方式生成距离函数,该距离函数可满足几种差分不平等,这些不平等现象精确地饱和,以满足稳定孤子方程的修改。

A fundamental step in the analysis of singularities of Ricci flow was the discovery by Perelman of a monotonic volume quantity which detected shrinking solitons in (arXiv:math/0211159). A similar quantity was found by Feldman, Ilmanen, and Ni in 2005 which detected expanding solitons. The current work introduces a modified length functional as a first step towards a steady soliton monotonicity formula. This length functional generates a distance function in the usual way which is shown to satisfy several differential inequalities which saturate precisely on manifolds satisfying a modification of the steady soliton equation.

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