@article{statisticallyoptimalkmeansclusteringvia,
  title = {Statistically Optimal K-means Clustering via Nonnegative Low-rank Semidefinite Programming},
  author = {Yubo Zhuang and Xiaohui Chen and Yun Yang and Richard Y. Zhang},
  year = {2023},
  eprint = {2305.18436},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.18436v5},
}