@article{treesaelearninghierarchicalfeaturestruct,
  title = {Tree SAE: Learning Hierarchical Feature Structures in Sparse Autoencoders},
  author = {Tue M. Cao and Hoang X. Nhat and Raed Alharbi and Phi Le Nguyen and My T. Thai},
  year = {2026},
  eprint = {2605.07922},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.07922},
}