# Matrix bootstrap Positivity condition is a powerful tool for obtaining bounds for observables in matrix quantum mechanics. ## Refs - original - [[2016#Anderson, Kruczenski]] - main - [[2020#Lin]] - [[2020#Han, Hartnoll, Kruthoff]] - [[2021#Kazakov, Zheng]] - recent work - [[2025#Lin, Zheng]]: high-precision, multi-matrix