@article{JMLR:v20:18-358,
  author  = {Christoph D. Hofer and Roland Kwitt and Marc Niethammer},
  title   = {Learning Representations of Persistence Barcodes},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {126},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v20/18-358.html}
}