@article{structuresofspuriouslocalminimaink,
  title = {Structures of Spurious Local Minima in $k$-means},
  author = {Wei Qian and Yuqian Zhang and Yudong Chen},
  year = {2020},
  eprint = {2002.06694},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2002.06694v2},
}