Title：On the geometry of asymptotically flat manifolds
Speaker：李 宇 （Stony Brook University）
Time：2019年7月23日 上午 10:00-11:00
Room：东区管理科研楼 365英国上市官网1308室
Abstract：In this talk, we show that any asymptotically flat manifold with controlled holonomy admits a refined torus fibration over an ALE manifold. In addition, we prove that any complete asymptotically flat Ricci-flat metric on $/mathbb R^4$ must be isometric to the Euclidean or the Taub-NUT metric, provided that the tangent cone at infinity is not $/mathbb R /times /mathbb R_+$. This is joint work with Xiuxiong Chen.
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