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Jules Hedges (Apr 03 2020 at 11:21):Over in #ACT@UCR seminar they're having a big discussion about the category of open dynamical systems, I believe the one defined in https://arxiv.org/abs/1704.02051. In my mind this is one of the most obvious tools to try to apply categories in macro and OR
Jules Hedges (Apr 03 2020 at 11:22):(if you follow me on twitter you probably know I've been reading Forrester's Industrial Dynamics, which is cybernetics-oriented operations research from the 60s that can clearly be categorificated using a setup like that
Jules Hedges (Apr 03 2020 at 11:24):The other obvious-looking hammer to try to hit econ with is Categories in Control
Jules Hedges (Apr 03 2020 at 11:25):It's maybe not unreasonable to try to model supply chains with stochastic petri nets, which functorially map into dynamical systems, that's the subject of the paper I linked
Bryan Bischof (Apr 03 2020 at 15:01):Very interested in these topics as I mentioned elsewhere. I’m struggling to find the discussion in that stream though. Is there an easier way to find it?
Jules Hedges (Apr 03 2020 at 15:14):Does this work? https://categorytheory.zulipchat.com/#narrow/stream/229966-ACT.40UCR-seminar/topic/April.201st.3A.20John.20Baez/near/192617176
Bryan Bischof (Apr 04 2020 at 16:37):Yes, Jules thank you.