@article{abstralautomaticdesignofmultiagentsystem,
  title = {ABSTRAL: Automatic Design of Multi-Agent Systems Through Iterative Refinement and Topology Optimization},
  author = {Weijia Song and Jiashu Yue and Zhe Pang},
  year = {2026},
  eprint = {2603.22791},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.22791},
}