Hollenstein, Jakob, Georg Martius, and Justus Piater. “Colored Noise in PPO: Improved Exploration and Performance through Correlated Action Sampling”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 11 (March 24, 2024): 12466–12472. Accessed June 1, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/29139.