@article{JMLR:v25:21-0495,
  author  = {Alexander Dunlap and Jean-Christophe Mourrat},
  title   = {Sum-of-norms clustering does not separate nearby balls},
  journal = {Journal of Machine Learning Research},
  year    = {2024},
  volume  = {25},
  number  = {123},
  pages   = {1--40},
  url     = {http://jmlr.org/papers/v25/21-0495.html}
}