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Short Horizons and Sparse Concepts: a Mathematical View of the Readout in the J-lens

This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.

arXiv:2608.25347v1 Announce Type: new Abstract: The Jacobian lens (J-lens) has been proposed as a way to read verbalizable representations from language models. However, its principle and meaning lack a detailed and theoretical discussion. We provide a mathematical view of this interpretation and o…

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  1. 2026-08-27 04:00 · arXiv cs.CL
    Short Horizons and Sparse Concepts: a Mathematical View of the Readout in the J-lens

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