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The box-and-arrows paradigm for systems, built in the 50s and enjoying popularity briefly in the 80s, is overrated, and has been outmoded by the likes of complexity theory. This is due to the fact that box-and-arrows systems like those made by Club of Rome to predict civilizational collapse carry strong assumptions as to the nature and structure of underlying variables and as such become very brittle as the size of the system scales. The norm is not the closed-loop circuit models that initially inspired systems thinking, but open-loop energetic models where any structural element is more like a rarified pattern than an ontological atom.

The result is a discipline that has transformed into managing uncertain outcomes in large heterogeneous models, i.e. complexity theory, rather than reducing everything to balls-and-sticks. Meadows was famous for devising "12 basic places to intervene in a system", nowadays the focus is on hedging bets adequately such that interventions don't catastrophically fuck up.

That said, some of the basic tooling is still flexible enough for basic business problems and some of the old gems are able to explain important concepts found in other fields without getting bogged down in the math.

https://www.amazon.com/Early-Retirement-Extreme-Philosophica... is my favourite, it's not about retirement, it's about using systems thinking to devise a robust lifestyle.

https://www.amazon.com/Introduction-General-Systems-Thinking... will make a good complement to Meadows and should give you a calculus to rigorously think of systems with.

https://www.amazon.com/Introduction-Cybernetics-W-Ross-Ashby... for its explanation on entropy, I mean requisite diversity, which will you give you an approximate mental quantity of how "powerful" any given system is.

https://www.amazon.com/Sciences-Artificial-Herbert-Simon/dp/... and https://www.amazon.com/Design-Rules-Vol-Power-Modularity/dp/... I haven't read either of these, but Herb Simon is extremely influential and has great thoughts on the notion of system hierarchies (nearly-decomposable systems is a great concept for design). The second book is about the properties of modular systems, which will help grok the reasoning behind a lot of refactoring techniques.

Good luck.

"complexity theory" is very important!


my favorite: New England Complex Systems Institute (NECSI) website!

* About Complex Systems : "Concept Map" http://www.necsi.edu/guide/concepts/conceptmap.html

* Learn: http://necsi.edu/learn.html

* "Dynamics of Complex Systems" - Full PDF: http://necsi.edu/publications/dcs/index.html

* NECSI Seminar Video Library: http://www.necsi.edu/events/vidlib/

* Research: http://necsi.edu/research.html

As much as I love NECSI and Santa Fe Complexity Institute, the way the science is taught is a bit of a grab bag. Way too much emphasis on models that aren't widely applicable to engineering problems, like cellular automata.

Nassim Taleb's collaborations with NESCI are worth their weight, though, and W Brian Arthur out of SFI produces works that I consider actionable for CTOs to get a conceptual handle on their craft. UoM's Scott E Paige is also a good resource on Complex Adaptive Systems in a way that is more unified.

Came here to post Dynamics of Complex Systems. Just the information on renormalization groups and multi-scale behavior makes it worth the time. And it's Free!

Seconding the recommendation of Herbert Simon, especially Sciences of the Artificial.

Very interesting. Can I ask from which background you came to be interested in systems (e.g. biology or electrical engineering)?

Philosophy and Design, I wanted to understand the world in the most general way possible to be flexible enough to adopt to any problem. I also like thinking clearly and being right

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