66 citations · 105 across the 10 of their papers we have counts for
3 papers · 1 filter
Gradient Methods for Problems with Inexact Model of the Objective
Fedor Stonyakin, Darina Dvinskikh, Pavel Dvurechensky +8
We consider optimization methods for convex minimization problems under inexact information on the objective function. We introduce inexact model of the objective, which as a parti…
Statistical inference for Bures-Wasserstein barycenters
Alexey Kroshnin, Vladimir Spokoiny, Alexandra Suvorikova
In this work we introduce the concept of Bures-Wasserstein barycenter , that is essentially a Fréchet mean of some distribution supported on a subspace of positiv…
On the Complexity of Approximating Wasserstein Barycenter
Alexey Kroshnin, Darina Dvinskikh, Pavel Dvurechensky +3
We study the complexity of approximating Wassertein barycenter of discrete measures, or histograms of size by contrasting two alternative approaches, both using entropic re…