2013/04/05 by Zhang, Xiaoling, Shen, Yibing
#Differential Geometry (math.DG) #FOS: Mathematics
paper · doi:10.48550/arxiv.1304.1612
In this paper, a characteristic condition of the projectively flat Kropina metric is given. By it, we prove that a Kropina metric F=α2/β with constant curvature K and ‖β‖α=1 is projectively flat if and only if F is locally Minkowskian.