37 citations · 43 across the 2 of their papers we have counts for
2 papers
math.OA2017★ 37 cited
Algebras, Synchronous Games and Chromatic Numbers of Graphs
William Helton, Kyle P. Meyer, Vern I. Paulsen +1
We associate to each synchronous game an algebra whose representations determine if the game has a perfect deterministic strategy, perfect quantum strategy or one of several other…
math.OC2007★ 6 cited
Semidefinite Representation of Convex Sets
J. William Helton, Jiawang Nie
Let $S =\{x\in \re^n: g_1(x)\geq 0, ..., g_m(x)\geq 0\}$ be a semialgebraic set defined by multivariate polynomials . Assume is convex, compact and has nonempty interio…