@article{guaranteednonconvexoptimizationsubmodula,
  title = {Guaranteed Non-convex Optimization: Submodular Maximization over Continuous Domains},
  author = {Andrew An Bian and Baharan Mirzasoleiman and Joachim M. Buhmann and Andreas Krause},
  year = {2016},
  eprint = {1606.05615},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1606.05615v5},
}