@article{ha2026preflow,title={Diffusion Policy Improvement with Proposal-Conditioned Refinement Flows},author={Ha, Junhyun and Lee, Juho and Park, Byoungwoo},journal={arXiv preprint arXiv:2609.36812},year={2026},month=sep,url={https://arxiv.org/abs/2609.36812},}