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Network theory: an overview

John Baez ( University of California, Riverside )

Nature and the world of human technology are full of networks. People like to draw diagrams of networks: flow charts, electrical circuit diagrams, signal flow diagrams, Bayesian networks,
Feynman diagrams and the like. Mathematically minded people know that in principle these diagrams fit into a common framework: category theory. But we are still far from a unified theory of networks. This talk will be an overview, and will be followed by a mini-course of 3 further lectures exploring the ideas in detail.

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