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fmxcoders: Factorized Masked Crosscoders for Cross-Layer Feature Discovery
Standard crosscoders learn layer-localized features; fmxcoders use factorized weights and layer masking to recover cross-layer features, improving coherence and reconstruction across four LLMs.
Sydney Poster Session 2, Tue, Dec 8, 5:00 PM–8:00 PM, Hall 1-4 · Published 2026
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lenient 3/5
medium 9/10
strict 3/5