@article{computationallowerboundsforcommunity,
  title = {Computational Lower Bounds for Community Detection on Random Graphs},
  author = {Bruce Hajek and Yihong Wu and Jiaming Xu},
  year = {2014},
  eprint = {1406.6625},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1406.6625v3},
}