@article{hclffhierarchicalandcontrastivelearningf,
  title = {HCL-FF: Hierarchical and Contrastive Learning for Forward-Forward Algorithm},
  author = {Jie-En Yao and Hong-En Chen and C. -C. Jay Kuo},
  year = {2026},
  eprint = {2605.24797},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.24797},
}