06-18【Ovidiu Munteanu】Zoom会议 GAP研讨班系列讲座之201

发布者:卢珊珊发布时间:2021-06-15浏览次数:296

 

TitleComparison results for three-dimensional manifolds  

SpeakerOvidiu Munteanu  University of Connecticut

Time2021618日,周五,      上午  9:00-10:30  

RoomZoom会议号:944 7203 2228;密码:202104

 

AbstractTypical comparison results in geometry require information on Ricci curvature. In dimension three, we show that this can sometimes be relaxed to scalar curvature. An example is a sharp upper bound for the bottom spectrum of the Laplacian on noncompact three-dimensional manifolds.