All Lagrangian Duals (of Minimizations) are Concave
Channel: Bert Huang
Date: 2018-08-31

One of my favorite things I learned by teaching a graduate seminar course on optimization for machine learning. See the course at http://people.cs.vt.edu/~bhuang/courses/opt18/ and the student blog at http://wordpress.cs.vt.edu/optml/