@article{dualbranchcentersurroundingcontrastrethi,
  title = {Dual-Branch Center-Surrounding Contrast: Rethinking Contrastive Learning for 3D Point Clouds},
  author = {Shaofeng Zhang and Xuanqi Chen and Xiangdong Zhang and Sitong Wu and Junchi Yan},
  year = {2025},
  eprint = {2512.08673},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2512.08673},
}