Characterizes the exact capacity of multi-bit covert LLM watermarking via Gelfand-Pinsker and channel synthesis, then gives a polar-code algorithm achieving 0.375 bits/token at under 10% BER with negligible perplexity impact.
Channel polarization: A method for constructing capacity- achieving codes for symmetric binary-input memoryless channels
2 Pith papers cite this work. Polarity classification is still indexing.
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cs.IT 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
A variational diffusion channel decoder fuses belief propagation with diffusion models to achieve the best reported decoding performance among neural methods while using significantly less computation and storage.
citing papers explorer
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Covert Multi-bit LLM Watermarking: An Information Theory and Coding Approach
Characterizes the exact capacity of multi-bit covert LLM watermarking via Gelfand-Pinsker and channel synthesis, then gives a polar-code algorithm achieving 0.375 bits/token at under 10% BER with negligible perplexity impact.
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Variational Diffusion Channel Decoder
A variational diffusion channel decoder fuses belief propagation with diffusion models to achieve the best reported decoding performance among neural methods while using significantly less computation and storage.