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Full-stack recurrence ·

SpiralFormer

SpiralFormer: Looped Transformers Can Learn Hierarchical Dependencies via Multi-Resolution Recursion

Chengting Yu, Xiaobo Shu, Yadao Wang, Yizhen Zhang, Haoyi Wu, You Wu, Rujiao Long, Ziheng Chen, Yuchi Xu, Wenbo Su, Bo Zheng

Explores recurrent computation at different sequence resolutions to change the cost of repeated processing.

Inside the method

[ Multi-resolution states ] × R

Simplified conceptual schematic. Consult the paper for the complete architecture.

Recurrence family
Full-stack recurrence
Depth control
Multi-resolution recurrence
KV / state strategy
See paper

Reading note

No official code or weights were confirmed in this review. This entry is not the similarly named speech model.

Sources checked 2026-09-15. This catalog does not imply independent reproduction.

Cite this work

@misc{spiralformer2026,
  title = {SpiralFormer: Looped Transformers Can Learn Hierarchical Dependencies via Multi-Resolution Recursion},
  author = {Chengting Yu and Xiaobo Shu and Yadao Wang and Yizhen Zhang and Haoyi Wu and You Wu and Rujiao Long and Ziheng Chen and Yuchi Xu and Wenbo Su and Bo Zheng},
  year = {2026},
  eprint = {2602.11698},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.11698}
}

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