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Sprint projectMar 10, 2025

Searching for Universality and Equivariance in LLMs using Sparse Autoencoder Found Features

Meruyert Alimaganbetova, Jason Zeng · Team Meru & Jason

Submitted to Women in AI Safety Hackathon. Sprint projects are early-stage work by participants, not Apart Research publications.

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The project investigates how neuron features with properties of universality and equivariance affect the controllability and safety of large language models, finding that behaviors supported by redundant features are more resistant to manipulation than those governed by singular features.

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  1. I like this research direction a lot and think there's signal to explore re: redundant feature sets bolstering safety-relevant behaviors vs. singular features remaining more vulnerable. It would have been a more robust analysis if the team had been able to generalize across a larger dataset of prompt examples, and also more clearly defined linguistically a formula for "equivariance" or "singular"/"redundant" features (e.g., based on existing literature).

Cite this project

@misc{alimaganbetova2025searching,
  title = {{Searching for Universality and Equivariance in LLMs using Sparse Autoencoder Found Features}},
  author = {Meruyert Alimaganbetova and Jason Zeng},
  year = {2025},
  month = mar,
  note = {Submitted to Women in AI Safety Hackathon, an Apart Research Sprint},
  howpublished = {\url{https://apartresearch.com/sprints/projects/searching-for-universality-and-equivariance-in-llms-using-sparse-autoencoder-found-features}},
  url = {https://apartresearch.com/sprints/projects/searching-for-universality-and-equivariance-in-llms-using-sparse-autoencoder-found-features}
}

Build something like this at the next Sprint

AI x Epistemics Research Sprint · Nov 13 - 15, 2026