@inproceedings { santos21, booktitle = {in Proc. of the 20th International Conference on Autonomous Agents and Multiagent Systems, AAMAS 2021 (accepted).}, keywords = {Game Theory;Multi-Agent Societies;}, title = {Social network interventions to prevent reciprocity-driven polarization}, year = {2021}, author = {Fernando P. Santos and Jorge M. Pacheco and Francisco C. Santos and Simon A. Levin} }