摘要
： Let Lτ be the r-th affiue mean curvature of a hyperovaloid ia A^n＋1, in this paper,we prove that if Lτ≠0 and for some fixed1〈i1〈…〈iτ〈n,i=1∑τLij=Ceverywhereon M, then M must be an ellipsoid, where C is a constant.
基金
Supported by the NSFC(11171235,11201318)
