In order for the field to stand on its own, I think we have to recognize that there is a shared, very particular characteristic of all complex systems. And that is that they internally encode the world in which they live. Whether that's a computer or a genome in a microbe or neurons in a brain, that's the coherent common denominator. That's not self-organizing patterns that you might find, for example, in a hurricane or a vortex. Or there was a very important elements, but they're not sufficient.
Complexity scientists have been able to make an impressive amount of progress despite the fact that there is not universal agreement about what "complexity" actually is. We know it when we see it, perhaps, but there are a number of aspects to the phenomenon, and different researchers will naturally focus on their favorites. Today's guest, David Krakauer, is president of the Santa Fe Institute and a longtime researcher in complexity. He points the finger at the concept of agency. A ball rolling down a hill just mindlessly obeys equations of motion, but a complex system gathers information and uses it to adapt. We talk about what that means and how to think about the current state of complexity science.
Blog post with transcript: https://www.preposterousuniverse.com/podcast/2023/07/10/242-david-krakauer-on-complexity-agency-and-information/
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David Krakauer received his D.Phil. in evolutionary biology from Oxford University. He is currently President and William H. Miller Professor of Complex Systems at the Santa Fe Institute. Previously he was at the University of Wisconsin, Madison, where he was the founding director of the Wisconsin Institute for Discovery and the Co-director of the Center for Complexity and Collective Computation. He was included in Wired magazine's list of "50 People Who Will Change the World."
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