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On Representations of Mean-Field Variational Inference. (arXiv:2210.11385v1 [stat.ML])
Oct. 21, 2022, 1:12 a.m. | Soumyadip Ghosh, Yingdong Lu, Tomasz Nowicki, Edith Zhang
cs.LG updates on arXiv.org arxiv.org
The mean field variational inference (MFVI) formulation restricts the general
Bayesian inference problem to the subspace of product measures. We present a
framework to analyze MFVI algorithms, which is inspired by a similar
development for general variational Bayesian formulations. Our approach enables
the MFVI problem to be represented in three different manners: a gradient flow
on Wasserstein space, a system of Fokker-Planck-like equations and a diffusion
process. Rigorous guarantees are established to show that a time-discretized
implementation of the coordinate …
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