@article{tamingtheinstabilityarobustsecondorderop,
  title = {Taming the Instability: A Robust Second-Order Optimizer for Federated Learning over Non-IID Data},
  author = {Yuanqiao Zhang and Tiantian He and Yuan Gao and Yixin Wang and Yew-Soon Ong and Maoguo Gong and A. K. Qin and Hui Li},
  year = {2026},
  eprint = {2603.28316},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.28316},
}