@article{anoteonconcentrationinequalityforvector,
  title = {A note on concentration inequality for vector-valued martingales with weak exponential-type tails},
  author = {Chris Junchi Li},
  year = {2018},
  eprint = {1809.02495},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1809.02495v3},
}