English Fenchel's duality theorem Cited by user Bender235 on 21 Sep 2019 In mathematics, Fenchel's duality theorem is a result in the theory of convex functions named after Werner Fenchel.
English Proximal operator Cited by user NellyDeuce on 06 Jul 2019 In mathematical optimization, the proximal operator is an operator associated with a proper, lower-semicontinuous convex function