Recently, I applied to a fellowship with Math for America, a program dedicated to improving mathematics education in U.S. public schools by recruiting, training, and retaining highly qualified ...

Forbes contributors publish independent expert analyses and insights. I write about the future of learning, work and human development. Okay, we cut a bad deal 20 years ago and it’s time to fix it.

Abstract: In this paper we consider the problem of how to computationally test whether a matrix inequality is positive semidefinite on a semi-algebraic set. We propose a family of sufficient ...