Smoothness of radial solutions to Monge-Ampere equations
  We characterize when radial weak solutions to Monge-Ampere equations are smooth. This paper extends previous partial results and also covers Generalized Monge-Ampere equations and infinitely vanishing right hand side. 
Cristian Rios (1), Eric Sawyer (2) ((1) University of Calgary, (2)   McMaster University)