PreprintCC BY 4.0arXiv
Repulsive Mean-Field Couplings and Self-Consistent Transfer Operators
Abstract
We study a one-dimensional self-consistent transfer operator generated by a repulsive mean-field coupling. The interaction admits a natural interpretation as a myopic relocation dynamics balancing congestion and uniformly distributed resources. Using the quantile representation of probability measures, combined with self-consistent transfer operators methods, we prove the existence and uniqueness of a physically relevant invariant measure for the system and characterize it explicitly through a nonlinear fixed-point equation. We then show that the corresponding finite-particle equilibrium converges to the continuum equilibrium with optimal order in Wasserstein distance and establish a quantitative thermodynamic limit.
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BibTeX
@misc{castorrini2026repulsive,
title = {{Repulsive Mean-Field Couplings and Self-Consistent Transfer Operators}},
author = {Roberto Castorrini and Stefano Galatolo and Matteo Tanzi},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.28664},
eprint = {2609.28664},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.28664},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Repulsive Mean-Field Couplings and Self-Consistent Transfer Operators
AU - Roberto Castorrini
AU - Stefano Galatolo
AU - Matteo Tanzi
PY - 2026
DA - 2026/09/23
PB - arXiv
DO - 10.48550/arxiv.2609.28664
UR - https://arxiv.org/abs/2609.28664
AB - We study a one-dimensional self-consistent transfer operator generated by a repulsive mean-field coupling. The interaction admits a natural interpretation as a myopic relocation dynamics balancing congestion and uniformly distributed resources. Using the quantile representation of probability measures, combined with self-consistent transfer operators methods, we prove the existence and uniqueness of a physically relevant invariant measure for the system and characterize it explicitly through a nonlinear fixed-point equation. We then show that the corresponding finite-particle equilibrium converges to the continuum equilibrium with optimal order in Wasserstein distance and establish a quantitative thermodynamic limit.
ER -