Zhu, Q., Kou, H., Qian, L., Shi, C., Wu, X., & Zhou, Z. (2026). Physics-Informed Koopman Neural Estimation of the Heston Model from High-Frequency Observations. Proceedings of the AAAI Conference on Artificial Intelligence, 40(34), 29142–29149. https://doi.org/10.1609/aaai.v40i34.40152