@article{spatialtreehowspatialabilitiesbranchouti,
  title = {SpatialTree: How Spatial Abilities Branch Out in MLLMs},
  author = {Yuxi Xiao and Longfei Li and Shen Yan and Xinhang Liu and Sida Peng and Yunchao Wei and Xiaowei Zhou and Bingyi Kang},
  year = {2025},
  eprint = {2512.20617},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2512.20617},
}