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A new preprint titled 'Mathematics is All You Need 2' presents the 'Two-Channel theorem,' demonstrating that behavioral fibers in transformer residual streams are sign-stabilized and causally steerable across different architectures (Qwen to Llama). The study claims high reproducibility and shows that the behavioral substrate is near-one-dimensional, separating generation from latent structure.
SLAM is a novel white-box watermarking scheme that embeds marks into the structural geometry of LLM residual streams using sparse autoencoders, achieving 100% detection accuracy with minimal quality loss on Gemma-2 models, avoiding the token-distribution biasing of prior methods.