@article{adaptivedirectionalhaartightframeletson,
  title = {Adaptive directional Haar tight framelets on bounded domains for digraph signal representations},
  author = {Yuchen Xiao and Xiaosheng Zhuang},
  year = {2020},
  eprint = {2008.11966},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.11966v1},
}