@article{lookaheadthenverifyreliableconstrainedde,
  title = {Lookahead-then-Verify: Reliable Constrained Decoding for Diffusion LLMs under Context-Free Grammars},
  author = {Yitong Zhang and Yongmin Li and Yuetong Liu and Jia Li and Xiaoran Jia and Zherui Li and Ge Li},
  year = {2026},
  eprint = {2602.00612},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.00612},
}