"With theory, we can separate fundamental characteristics from fascinating idiosyncrasies and incidental features. The…"

"If we are to understand the interactions of a large number of agents, we must first be able to describe the capabilit…"

""Doing science," particularly the synthesis of disparate ideas, is not as arcane as it is often made out to be. Disci…"

"Even though these complex systems differ in detail, the question of coherence under change is the central enigma for …"

"The multiplier effect is a major feature of networks and flows. It arises regardless of the particular nature of the …"

"The recycling of resource by the aggregate behavior of a diverse array of agents is much more than the sum of the ind…"

"If there is to be a competition, there must be some basis for resolving it. It is also clear that the competition sho…"

"When a new building block is discovered, the result is usually a range of innovations."

"Particular individuals do not recur, but their building blocks do."

"nonlinear interactions almost always make the behavior of the aggregate more complicated than would be predicted by s…"