J-lens preferentially reads from coordinate-aligned subspaces
Source: LessWrong ·
Note: I only test on Gemma-4-31B, which contains the spaces I've been studying in this earlier post . This is a shorter post, with just a few observations potentially relevant to those working on the J-lens work. The main observations here are: In Gemma-4, there are two relatively small subspaces that account the majority of the J-lens readout. These are both coordinate-aligned subspaces. That means we can take a hidden state, mask out all coordinates except both these ~600 coordinate groups, and it will capture ~80-95% of the J-lens readout. These spaces are not built to capture J-lens contri
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J-lens preferentially reads from coordinate-aligned subspaces is a article discovery curated from LessWrong. Note: I only test on Gemma-4-31B, which contains the spaces I've been studying in this earlier post . This is a shorter post, with just a few observations potentially relevant to t
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