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The Optimal Transport Problem

• Optimal Transport in One Dimension; Villani (73-78); Santambrogio (59-67)
• 1-Wasserstein metric, duality, and measures with unequal mass; Piccoli, Rossi, and Tournus A Wasserstein norm for signed measures, with application to nonlocal transport equation with source term

The 2-Wasserstein Metric

• Geodesics and generalized geodesics; Santambrogio (202-207)more refs
• (Displacement) convex functionals in the 2-Wasserstein metric; Santambrogio (249-251,271-276)
• Asymptotic equivalence of $W_{2}$ and ${\dot {H}}^{-1}$; Santambrogio (209-211) more refs

Numerical Methods for Optimal Transport

• Semidiscrete Optimal Transport (for $c(x,y)=|x-y|^{2}$); Santambrogio (242-248); Peyré Cuturi (85-89)
• Computing OT via Benamou-Brenier; Santambrogio (220-225)more refs
• Sliced Wasserstein Distance; Santambrogio (214-215)
• Wasserstein Barycenters; Santambrogio (215-217)

Applications of Optimal Transport

• Machine Learning Kolouri, et al, Optimal Mass Transport: Signal processing and machine-learning applications

Mathematical Foundations: Optimization

• Fenchel-Rockafellar and Linear Programming; Brezis (15-17); Rockafellar, Variational Analysis (505-507)

Mathematical Foundations: Differential Equations

• Gradient flows in metric spaces; Santambrogio (285-290) more refs