Computational optimal transport: With applications to data science
Optimal transport (OT) theory can be informally described using the words of the French
mathematician Gaspard Monge (1746–1818): A worker with a shovel in hand has to move a …
mathematician Gaspard Monge (1746–1818): A worker with a shovel in hand has to move a …
On Markov chain Monte Carlo methods for tall data
Markov chain Monte Carlo methods are often deemed too computationally intensive to be of
any practical use for big data applications, and in particular for inference on datasets …
any practical use for big data applications, and in particular for inference on datasets …
Quantifying distributional model risk via optimal transport
This paper deals with the problem of quantifying the impact of model misspecification when
computing general expected values of interest. The methodology that we propose is …
computing general expected values of interest. The methodology that we propose is …
Robust Wasserstein profile inference and applications to machine learning
We show that several machine learning estimators, including square-root least absolute
shrinkage and selection and regularized logistic regression, can be represented as …
shrinkage and selection and regularized logistic regression, can be represented as …
Fusion of probability density functions
Fusing probabilistic information is a fundamental task in signal and data processing with
relevance to many fields of technology and science. In this work, we investigate the fusion of …
relevance to many fields of technology and science. In this work, we investigate the fusion of …
Coresets for scalable Bayesian logistic regression
The use of Bayesian methods in large-scale data settings is attractive because of the rich
hierarchical models, uncertainty quantification, and prior specification they provide …
hierarchical models, uncertainty quantification, and prior specification they provide …
A fast proximal point method for computing exact wasserstein distance
Wasserstein distance plays increasingly important roles in machine learning, stochastic
programming and image processing. Major efforts have been under way to address its high …
programming and image processing. Major efforts have been under way to address its high …
Rates of estimation of optimal transport maps using plug-in estimators via barycentric projections
Optimal transport maps between two probability distributions $\mu $ and $\nu $ on $\R^ d $
have found extensive applications in both machine learning and statistics. In practice, these …
have found extensive applications in both machine learning and statistics. In practice, these …
Approximate Bayesian computation with the Wasserstein distance
A growing number of generative statistical models do not permit the numerical evaluation of
their likelihood functions. Approximate Bayesian computation has become a popular …
their likelihood functions. Approximate Bayesian computation has become a popular …
On efficient optimal transport: An analysis of greedy and accelerated mirror descent algorithms
We provide theoretical analyses for two algorithms that solve the regularized optimal
transport (OT) problem between two discrete probability measures with at most $ n $ atoms …
transport (OT) problem between two discrete probability measures with at most $ n $ atoms …