@article{Schoenherr_Lutz_2026,
title={Logical Characterizations of GNNs with Mean Aggregation},
DOI={10.1609/aaai.v40i30.39713},
journal={Proceedings of the 40th AAAI Conference on Artificial Intelligence (AAAI-2026)},
author={Sch{\"o}nherr, Moritz and Lutz, Carsten},
year={2026},
pages={25218-25225}
}