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Gonzalo Mena

3 accepted papers

2019

Statistical bounds for entropic optimal transport: sample complexity and the central limit theorem

NeurIPS 2019spotlight

We prove several fundamental statistical bounds for entropic OT with the squared Euclidean cost between subgaussian probability measures in arbitrary dimension. First, through a new sample complexity result we establish the rate of convergence of entropic OT for empirical measures. Our analysis impr…

2018

Learning Latent Permutations with Gumbel-Sinkhorn Networks

ICLR 2018poster

Permutations and matchings are core building blocks in a variety of latent variable models, as they allow us to align, canonicalize, and sort data. Learning in such models is difficult, however, because exact marginalization over these combinatorial objects is intractable. In response, this paper in…

2018

Reparameterizing the Birkhoff Polytope for Variational Permutation Inference

AISTATS 2018poster

Many matching, tracking, sorting, and ranking problems require probabilistic reasoning about possible permutations, a set that grows factorially with dimension. Combinatorial optimization algorithms may enable efficient point estimation, but fully Bayesian inference poses a severe challenge in this…

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