Ni, Lei; Wu, Baoqiang Complete manifolds with nonnegative curvature operator. (English) Zbl 1127.58022 Proc. Am. Math. Soc. 135, No. 9, 3021-3028 (2007). Reviewer: Dian K. Palagachev (Bari) MSC: 58J35 PDFBibTeX XMLCite \textit{L. Ni} and \textit{B. Wu}, Proc. Am. Math. Soc. 135, No. 9, 3021--3028 (2007; Zbl 1127.58022) Full Text: DOI arXiv
Ni, Lei A Bernstein type theorem for minimal volume preserving maps. (English) Zbl 0993.58007 Proc. Am. Math. Soc. 130, No. 4, 1207-1210 (2002). Reviewer: Cornelia-Livia Bejan (Iaşi) MSC: 58E20 53D12 PDFBibTeX XMLCite \textit{L. Ni}, Proc. Am. Math. Soc. 130, No. 4, 1207--1210 (2002; Zbl 0993.58007) Full Text: DOI