(1) Department of Applied Mathematics, The Hong Kong Polytechnic University, Kowloon, Hongkong;(2) Department of Mathematics, National University of Singapore, 119260 Singapore, Singapore
Abstract:
In this paper we proved a better estimate as well as generalized to higher codimensions of a theorem of Y.B. Shen on complete submanifolds with parallel mean curvature vector in a hyperbolic space.