Noise scheduling and linear dynamics in diffusion models on Lie groups
On the map: Diffusion models → Diffusion foundations and sampling
Abstract (arXiv)
We investigate the role of the noise schedule in diffusion processes on Lie groups, with particular emphasis on applications to lattice gauge theory. We show that a specific noise schedule leads to a linear decay of the expectation value of the Wilson action as a function of diffusion time. We compare this with Euclidean diffusion models, where such behavior requires an explicitly designed drift term, while in the Lie-group setting it arises naturally.
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