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 …

Entropic adapted Wasserstein distance on Gaussians

B Acciaio, S Hou, G Pammer - arxiv preprint arxiv:2412.18794, 2024 - arxiv.org
The adapted Wasserstein distance is a metric for quantifying distributional uncertainty and
assessing the sensitivity of stochastic optimization problems on time series data. A …

Comparing noisy neural population dynamics using optimal transport distances

A Nejatbakhsh, V Geadah, AH Williams… - arxiv preprint arxiv …, 2024 - arxiv.org
Biological and artificial neural systems form high-dimensional neural representations that
underpin their computational capabilities. Methods for quantifying geometric similarity in …

Comparison results for Markov tree distributions

J Ansari, M Ritter - arxiv preprint arxiv:2404.17441, 2024 - arxiv.org
We develop comparison results for Markov tree distributions extending ordering results from
the literature on discrete time Markov processes and recently studied ordering results for …

Neural Spacetimes for DAG Representation Learning

HSO Borde, A Kratsios, MT Law, X Dong… - arxiv preprint arxiv …, 2024 - arxiv.org
We propose a class of trainable deep learning-based geometries called Neural Spacetimes
(NSTs), which can universally represent nodes in weighted directed acyclic graphs (DAGs) …

The Wasserstein Space of Stochastic Processes in Continuous Time

D Bartl, M Beiglböck, G Pammer, S Schrott… - arxiv preprint arxiv …, 2025 - arxiv.org
Researchers from different areas have independently defined extensions of the usual weak
convergence of laws of stochastic processes with the goal of adequately accounting for the …

Equilibrium transport with time-inconsistent costs: An application to matching problems in the job market

E Bayraktar, B Han - arxiv preprint arxiv:2302.01498, 2023 - arxiv.org
Given two probability measures on sequential data, we investigate the transport problem
with time-inconsistent preferences in a discrete-time setting. Motivating examples are …

[PDF][PDF] Robust methods for risk and uncertainty modeling

M Ritter - 2024 - d-nb.info
This dissertation addresses the analysis and modeling of risk and uncertainty, with reference
to both financial and actuarial mathematics. Its goal is to offer valuable insights and establish …

[PDF][PDF] New Trends and Challenges in Stochastic Differential Games

P Cardaliaguet, M Grigorova, T Mastrolia, J Qiu… - 2024 - birs.ca
Here **=(** (t)) t≥ 0 is the i-th player's state process driven by the noise process Wi=(Wi (t))
t∈≥ 0 and subject to all players' strategies (v1,···, vN). Each player has the individual …