@inproceedings{anefficientsemismoothnewtonbased,
  title = {An Efficient Semismooth Newton Based Algorithm for Convex Clustering},
  author = {Yancheng Yuan and Defeng Sun and Kim-Chuan Toh},
  year = {2018},
  booktitle = {ICML 2018 7},
  eprint = {1802.07091},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.07091v1},
}