@article{gaussianprocesssamplingandoptimization,
  title = {Gaussian Process Sampling and Optimization with Approximate Upper and Lower Bounds},
  author = {Vu Nguyen and Marc Peter Deisenroth and Michael A. Osborne},
  year = {2021},
  eprint = {2110.12087},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.12087v4},
}