Ricci curvature meets sub-Riemannian geometry-潘佳垠教授 (UC-Santa Cruz)
Online Seminar Report
Title: Ricci curvature meets sub-Riemannian geometry
Speaker: 潘佳垠教授 (UC-Santa Cruz)
Abstract: I had a short conversation with Richard Montgomery. It led to a surprising connection between Ricci curvature and subRiemannian geometry: Pan-Wei's example of Ricci limit space is isometric to half of the Grushin plane, a classical example in sub-Riemannian geometry. Inspired by this connection, we construct the Grushin hemisphere as a Ricci limit space with curvature >=1.
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