@inproceedings{wei-etal-2026-efficient, title = "Efficient Token-Level Policy Optimization for Masked Diffusion Models via Velocity Alignment", author = "Wei, Chenxing and Kang, Jiazhen and Wang, Hong and Zhang, Jianqing and Jiang, Hao and Xuxiaolong and Sun, Ningyuan and He, Ying and Yu, Fei and Shu, Yao and Jiang, Bo", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.1910/", pages = "43516--43536", ISBN = "979-8-89176-459-0" }