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math.OC2026
First-order -expansion for entropic optimal transport with non-degenerate costs
Luca Nenna, Brendan Pass, Paul Pegon +1
Entropy-regularized optimal transport (EOT) has become a key tool in optimal transport, providing both theoretical insight and efficient computation via the Sinkhorn algorithm. We…
math.OC2025
Remarks on multi-period martingale optimal transport
Brendan Pass, Joshua Hiew
We study the structural properties of multi-period martingale optimal transport (MOT). We develop new tools to address these problems, and use them to prove several uniqueness and…
math.OC2024
An ordinary differential equation for entropic optimal transport and its linearly constrained variants
Joshua Zoen-Git Hiew, Luca Nenna, Brendan Pass
We characterize the solution to the entropically regularized optimal transport problem by a well-posed ordinary differential equation (ODE). Our approach works for discrete margina…