@article{spectralsmoothingviarandommatrix,
  title = {Spectral Smoothing via Random Matrix Perturbations},
  author = {Jacob Abernethy and Chansoo Lee and Ambuj Tewari},
  year = {2015},
  eprint = {1507.03032},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1507.03032v2},
}