Title:Comparison results for three-dimensional manifolds
Speaker:Ovidiu Munteanu (University of Connecticut)
Time:2021年6月18日,周五, 上午 9:00-10:30
Room:Zoom会议号:944 7203 2228;密码:202104
Abstract:Typical 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.