@article{
rosenbluth2026lost,
title={Lost in Aggregation: On a Fundamental Expressivity Limit of Message-Passing Graph Neural Networks},
author={Eran Rosenbluth},
journal={Transactions on Machine Learning Research},
issn={2835-8856},
year={2026},
url={https://openreview.net/forum?id=F4OlpAJ0o2},
note={}
}