Neumann boundary value problem for gernera curvature flow with forcing   term
  In this paper, we prove long time existence and convergence results for a class of general curvature flows with Neumann boundary condition. This is the first result for the Neumann boundary problem of non Monge-Ampere type curvature equations. Our method also works for the corresponding elliptic setting. 
Ling Xiao
math.DG math.AP