Unbalanced multi-marginal optimal transport
Entropy-regularized optimal transport and its multi-marginal generalization have attracted
increasing attention in various applications, in particular due to efficient Sinkhorn-like …
increasing attention in various applications, in particular due to efficient Sinkhorn-like …
Entropic transfer operators
We propose a new concept for the regularization and discretization of transfer and Koopman
operators in dynamical systems. Our approach is based on the entropically regularized …
operators in dynamical systems. Our approach is based on the entropically regularized …
Gromov–Wasserstein transfer operators
F Beier - International Conference on Scale Space and …, 2023 - Springer
Gromov–Wasserstein (GW) transport is inherently invariant under isometric transformations
of the data. Having this property in mind, we propose to estimate dynamical systems by …
of the data. Having this property in mind, we propose to estimate dynamical systems by …
Consistent spectral approximation of Koopman operators using resolvent compactification
D Giannakis, C Valva - Nonlinearity, 2024 - iopscience.iop.org
Koopman operators and transfer operators represent dynamical systems through their
induced linear action on vector spaces of observables, enabling the use of operator …
induced linear action on vector spaces of observables, enabling the use of operator …
Multi-marginal Gromov–Wasserstein transport and barycentres
Gromov–Wasserstein (GW) distances are combinations of Gromov–Hausdorff and
Wasserstein distances that allow the comparison of two different metric measure spaces …
Wasserstein distances that allow the comparison of two different metric measure spaces …
Tangential Fixpoint Iterations for Gromov-Wasserstein Barycenters
The Gromov-Wasserstein (GW) transport problem is a relaxation of classic optimal transport,
which seeks a transport between two measures while preserving their internal geometry …
which seeks a transport between two measures while preserving their internal geometry …
Transfer Operators from Batches of Unpaired Points via Entropic Transport Kernels
In this paper, we are concerned with estimating the joint probability of random variables $ X
$ and $ Y $, given $ N $ independent observation blocks $(\boldsymbol {x}^ i,\boldsymbol …
$ and $ Y $, given $ N $ independent observation blocks $(\boldsymbol {x}^ i,\boldsymbol …
Definition, detection, and tracking of persistent structures in atmospheric flows
Long-lived flow patterns in the atmosphere such as weather fronts, mid-latitude blockings or
tropical cyclones often induce extreme weather conditions. As a consequence, their …
tropical cyclones often induce extreme weather conditions. As a consequence, their …
[PDF][PDF] Advances in Gromov–Wasserstein Optimal Transport: Linearization, Multi-Marginal Generalization, Barycenters and Transfer Operators
F Beier - 2024 - depositonce.tu-berlin.de
Over the past few decades, optimal transport (OT) has progressively shifted into the focus of
modern applied mathematics. Central to OT are various optimization problems, namely …
modern applied mathematics. Central to OT are various optimization problems, namely …
[图书][B] Data-Driven Approximation of Transfer Operators: DMD, Perron–Frobenius, and Statistical Learning in Wasserstein Space
A Karimi - 2022 - search.proquest.com
Abstract The Perron–Frobenius and Koopman operators provide natural dual settings to
investigate the dynamics of complex systems. In this thesis we focus on certain pertinent …
investigate the dynamics of complex systems. In this thesis we focus on certain pertinent …