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stat.ML2022★ 1 cited
Deterministic Langevin Monte Carlo with Normalizing Flows for Bayesian Inference
Richard D. P. Grumitt, Biwei Dai, Uros Seljak
We propose a general purpose Bayesian inference algorithm for expensive likelihoods, replacing the stochastic term in the Langevin equation with a deterministic density gradient te…
astro-ph.CO2022★ 50 cited
Translation and Rotation Equivariant Normalizing Flow (TRENF) for Optimal Cosmological Analysis
Biwei Dai, Uros Seljak
Our universe is homogeneous and isotropic, and its perturbations obey translation and rotation symmetry. In this work we develop Translation and Rotation Equivariant Normalizing Fl…