International Symposium on the Sociopolitical Organization of Teotihuacan

It has been 5 years since I moved to Mexico to create a computational model of the sociopolitical organization of ancient Teotihuacan. I am happy to report that this project has matured. I am involved in the organization of the International Symposium on the Sociopolitical Organization of Teotihuacan, which will bring together the world’s leading experts working on this topic.

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At the symposium I will I gave talk on the latest results of the model. The title and abstract are as follows:

A computational model of Teotihuacan’s collective government: New insights into role of the city’s division into districts

Tom Froese

Experts remain divided about the nature of the sociopolitical system of ancient Teotihuacan, which was one of the earliest and largest urban civilizations of the Americas. Excavations hoping to find compelling evidence of powerful rulers, such as a royal tomb, keep coming away empty-handed. But the alternative possibility of a corporate or collective government still remains poorly understood. There is a lack of evidence of a powerful bureaucracy, such as durable record keeping, but a decentralized network limited to the level of neighborhood representatives seems susceptible to problems of collective action.

Previously we used a computational model to show that in principle this latter worry is unfounded, as long as we assume that the network’s topology could be transformed via community rituals and was not strongly subdivided. Here we extend this model to investigate whether increased social hierarchy could mitigate the negative effects of strong divisions. We found a special synergy between hierarchy and community ritual in that only their combination improved the extent of cooperation, which is consistent with portrayals of the elite as religious specialists serving the public good and with the apparent absence of extensive secular institutions.

Current work is investigating whether a reduction in the city’s number of districts could reduce the necessity for this kind of centralized hierarchy.

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