@techreport{KKYang15,
  author 	={F. K{\i}l{\i}n\c{c}-Karzan and Boshi Yang},
  title 	={Sufficient conditions and necessary conditions for the sufficiency of
cut-generating functions},
  year 		={2015},
  month 	={December},
  note 		={\url{http://www.andrew.cmu.edu/user/fkilinc/files/draft-sufficiency-web.pdf}}
}
% note ={Submitted December 2015}