@article{quan2026diffsurflow,title={DiffSurFlow: Efficient and Robust Differentiable Fluid Optimization via Surrogate Strategy on Flow Map},author={Quan, Yuhao and Wang, Hui and Lian, Weile and Wang, Zhi and Yang, Xubo},journal={ACM Transactions on Graphics (TOG)},volume={},number={},pages={},month={},year={2026},doi={},url={},dimensions={true},}