@article{trendfilteringongraphs,
  title = {Trend Filtering on Graphs},
  author = {Yu-Xiang Wang and James Sharpnack and Alex Smola and Ryan J. Tibshirani},
  year = {2014},
  eprint = {1410.7690},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1410.7690v5},
}