Santa Fe Institute

Collective Cognition Workshop
Mathematical Foundations of Distributed Intelligence

Daily Summaries, 22-26 Jauary 2002




Daily Summaries

(Compiled by Dr. Michael H. New, NASA Ames Research Center)


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Introduction to Workshop

The goal of the workshop is to explore the current state of research into the mathematical foundations for studies of collectives of self-motivated agents. This field underpins the research and engineering goals of a wide range of disciplines, and includes both research into the behavior of collectives given known micro-scale rules as well as the design of microscale rules to achieve a given system behavior. The ideal endpoint for this workshop would be a concrete program of research on these topics. More realistically, I hope that we can at least agree on a common vocabulary and, perhaps, those features that a theory of collectives must explain. These comments reflect my biases as well as daily, post-workshop discussions.



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Day 1: 22 January 2002

Any theory of collectives should be able to explain:

Some important open questions are:



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Day 2: 23 January 2002

Large-scale engineering projects can provide important "sanity checks" for any theory. They also are in need of a general theory of collectives in order to make systematic progress and to allow, possibly, the automation of problem decomposition.

One new desideratum for any theory of collectives is that any theory should contain some notion of agent "intelligence" (or maybe fitness?) that is independent from knowledge of the inner workings of the agents. After all, relatively unsophisticated agents can sometimes perform as well or better than quite sophisticated agents as demonstrated in Peter Stone's talk.

Some new questions raised today:



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Day 3: 24 January 2002

New desiderata: Any theory of collectives should include the role of inter-agent communications and interactions (especially the underlying network structures) in establishing the performance level, stability and adaptability of the collective.

What formalisms are appropriate? Stat. mech., mean field, etc.? Characterization of systems need to account for variances, not just mean behavior...



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