John Baez: "Network Theory II: Stochastic Petri nets, reaction networks and Feynman diagrams"

Slides available here: http://math.ucr.edu/home/baez/network...

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 graphs, 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. After an overview, we will look at three portions of the jigsaw puzzle in three separate talks:
I. Electrical circuits and signal-flow graphs.
II. Stochastic Petri nets, chemical reaction networks and Feynman diagrams.
III. Bayesian networks, information and entropy.

http://math.ucr.edu/home/baez/networks/

March 4th, 2014. Department of Computer Science, University of Oxford

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