@article{hybridbeamformingforrisaided,
  title = {Hybrid Beamforming for RIS-Aided Communications: Fitness Landscape Analysis and Niching Genetic Algorithm},
  author = {Bai Yan and Qi Zhao and Jin Zhang and J. Andrew Zhang and Xin Yao},
  year = {2021},
  eprint = {2109.09054},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.09054v1},
}