Proximal optimal transport modeling of population dynamics

C Bunne, L Papaxanthos, A Krause… - International …, 2022 - proceedings.mlr.press
We propose a new approach to model the collective dynamics of a population of particles
evolving with time. As is often the case in challenging scientific applications, notably single …

Multi-marginal optimal transport and probabilistic graphical models

I Haasler, R Singh, Q Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We study multi-marginal optimal transport problems from a probabilistic graphical model
perspective. We point out an elegant connection between the two when the underlying cost …

Multi-marginal optimal transport using partial information with applications in robust localization and sensor fusion

F Elvander, I Haasler, A Jakobsson, J Karlsson - Signal Processing, 2020 - Elsevier
During recent decades, there has been a substantial development in optimal mass transport
theory and methods. In this work, we consider multi-marginal problems wherein only partial …

Multimarginal optimal transport with a tree-structured cost and the schrodinger bridge problem

I Haasler, A Ringh, Y Chen, J Karlsson - SIAM Journal on Control and …, 2021 - SIAM
The optimal transport problem has recently developed into a powerful framework for various
applications in estimation and control. Many of the recent advances in the theory and …

[HTML][HTML] Polynomial-time algorithms for multimarginal optimal transport problems with structure

JM Altschuler, E Boix-Adsera - Mathematical Programming, 2023 - Springer
Abstract Multimarginal Optimal Transport (MOT) has attracted significant interest due to
applications in machine learning, statistics, and the sciences. However, in most applications …

[HTML][HTML] Optimal transport analysis reveals trajectories in steady-state systems

S Zhang, A Afanassiev, L Greenstreet… - PLoS computational …, 2021 - journals.plos.org
Understanding how cells change their identity and behaviour in living systems is an
important question in many fields of biology. The problem of inferring cell trajectories from …

Inference with aggregate data in probabilistic graphical models: An optimal transport approach

R Singh, I Haasler, Q Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We consider inference (filtering) problems over probabilistic graphical models with
aggregate data generated by a large population of individuals. We propose a new efficient …

Estimating latent population flows from aggregated data via inversing multi-marginal optimal transport

S Yang, H Zha - Proceedings of the 2023 SIAM International …, 2023 - SIAM
We study the problem of estimating latent population flows from aggregated count data. This
problem arises when individual trajectories are not available due to privacy issues or …

Scalable computation of dynamic flow problems via multimarginal graph-structured optimal transport

I Haasler, A Ringh, Y Chen… - … of Operations Research, 2024 - pubsonline.informs.org
In this work, we develop a new framework for dynamic network flow problems based on
optimal transport theory. We show that the dynamic multicommodity minimum-cost network …

Inference with aggregate data: An optimal transport approach

R Singh, I Haasler, Q Zhang, J Karlsson… - arXiv preprint arXiv …, 2020 - arxiv.org
We consider inference (filtering) problems over probabilistic graphical models with
aggregate data generated by a large population of individuals. We propose a new efficient …