@article{picholeskypolynomialinterpolationof,
  title = {piCholesky: Polynomial Interpolation of Multiple Cholesky Factors for Efficient Approximate Cross-Validation},
  author = {Da Kuang and Alex Gittens and Raffay Hamid},
  year = {2014},
  eprint = {1404.0466},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1404.0466v2},
}