@article{aniterativeapproachtoimprovingsolution,
  title = {An Iterative Approach to Improving Solution Quality for AC Optimal Power Flow Problems},
  author = {Ling Zhang and Baosen Zhang},
  year = {2021},
  eprint = {2109.06356},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.06356v1},
}