ANNALES DE L'INSTITUT FOURIER

Two generalizations of Cheeger-Gromoll splitting theorem via Bakry-Emery Ricci curvature

Fang, Fuquan; Li, Xiang-Dong; Zhang, Zhenlei

Annales de l'Institut Fourier, Volume 59 (2009) no. 2 p. 563-573

Fixed points of discrete nilpotent group actions on $S^2$

Druck, Suely; Fang, Fuquan; Firmo, Sebastião

Annales de l'Institut Fourier, Volume 52 (2002) no. 4 p. 1075-1091