The discrete diffusion NELBO equals data entropy plus an exact path KL to the oracle reverse process, and the denoiser, cavity, and score parameterizations are three interconvertible coordinates of the unique optimal reverse jump rate.
International Conference on Learning Representations (ICLR) , year =
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Primal-dual guided decoding casts constrained discrete diffusion as a KL-regularized optimization solved online with adaptive Lagrangian multipliers to satisfy constraints while staying close to the unconstrained model distribution.
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What Does a Discrete Diffusion Model Learn?
The discrete diffusion NELBO equals data entropy plus an exact path KL to the oracle reverse process, and the denoiser, cavity, and score parameterizations are three interconvertible coordinates of the unique optimal reverse jump rate.
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Primal-Dual Guided Decoding for Constrained Discrete Diffusion
Primal-dual guided decoding casts constrained discrete diffusion as a KL-regularized optimization solved online with adaptive Lagrangian multipliers to satisfy constraints while staying close to the unconstrained model distribution.