Equivariant Manifold FlowsDownload PDF

Jun 02, 2021 (edited Jun 28, 2021)INNF+ 2021 posterReaders: Everyone
  • Keywords: manifold, normalizing flow, equivariant, invariant
  • TL;DR: We construct manifold normalizing flows which are equivariant to isometric actions.
  • Abstract: Tractably modelling distributions over manifolds has long been an important goal in the natural sciences. Recent work has focused on developing general machine learning models to learn such distributions. However, for many applications these distributions must respect manifold symmetries---a trait which most previous models disregard. In this paper, we lay the theoretical foundations for learning symmetry-invariant distributions on arbitrary manifolds via equivariant manifold flows. We demonstrate the utility of our approach by using it to learn gauge invariant densities over SU(n) in the context of quantum field theory.
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