@article{smartwhenisitactuallyworthexpandingaspec,
  title = {SMART: When is it Actually Worth Expanding a Speculative Tree?},
  author = {Lifu Wang and Pan Zhou},
  year = {2026},
  eprint = {2604.09731},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.09731},
}