Zhu Q, Kou H, Qian L, Shi C, Wu X, Zhou Z. Physics-Informed Koopman Neural Estimation of the Heston Model from High-Frequency Observations. AAAI [Internet]. 2026 Mar. 14 [cited 2026 May 10];40(34):29142-9. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/40152