Conditional wasserstein distances with applications in bayesian ot flow matching

J Chemseddine, P Hagemann, G Steidl… - arxiv preprint arxiv …, 2024 - arxiv.org
In inverse problems, many conditional generative models approximate the posterior
measure by minimizing a distance between the joint measure and its learned approximation …

Conditional simulation via entropic optimal transport: Toward non-parametric estimation of conditional Brenier maps

R Baptista, AA Pooladian, M Brennan… - arxiv preprint arxiv …, 2024 - arxiv.org
Conditional simulation is a fundamental task in statistical modeling: Generate samples from
the conditionals given finitely many data points from a joint distribution. One promising …

Flow Matching: Markov Kernels, Stochastic Processes and Transport Plans

C Wald, G Steidl - arxiv preprint arxiv:2501.16839, 2025 - arxiv.org
Among generative neural models, flow matching techniques stand out for their simple
applicability and good scaling properties. Here, velocity fields of curves connecting a simple …

Tightening Causal Bounds via Covariate-Aware Optimal Transport

S Lin, Z Gao, J Blanchet, P Glynn - arxiv preprint arxiv:2502.01164, 2025 - arxiv.org
Causal estimands can vary significantly depending on the relationship between outcomes in
treatment and control groups, potentially leading to wide partial identification (PI) intervals …