@article{whatdrivesperformanceinmolecularmpnnsano,
  title = {What drives performance in molecular MPNNs? An operator-level factorial benchmark},
  author = {Panyu Jiao and Shuizhou Chen and Yiheng Shen and Yuyang Wang and Runhai Ouyang and Wei Xie},
  year = {2026},
  eprint = {2605.30195},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.30195},
}