@article{lecturenotesefficientapproximationof,
  title = {Lecture notes: Efficient approximation of kernel functions},
  author = {Amitabha Bagchi},
  year = {2020},
  eprint = {2005.01566},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.01566v1},
}