Teaching Systems Dynamics

“Stock and flow diagrams” are a nice graphical tool for modeling systems, part of a tradition called System Dynamics. Our new software based on category theory lets teams build models using these diagrams:

• John Baez, Xiaoyan Li, Sophie Libkind, Nathaniel D. Osgood and Eric Redekopp, A categorical framework for modeling with stock and flow diagrams, to appear in Mathematics for Public Health, Springer.

But here’s something cool Nathaniel just told me: people have had success teaching stock an...