学术报告（周杰 7.10）

摘要： For a geodesic ball with non-negative Ricci curvature and almost maximal volume, without using compactness argument, we construct an
o-splitting map on a concentric geodesic ball with uniformly small radius.There are two new technical points in our proof. The first one is the way
of finding n directional points by induction and stratifified almost Gou–Gu Theorem. The other one is the error estimates of projections, which guarantee the n directional points we find really determine n different directions. This is a joint work with Guoyi Xu.