Willems, J. C. (2007). The behavioral approach to open and interconnected systems. IEEE Control Systems Magazine, 27(6), 46–99. doi:10.1109/MCS.2007.906923.
Not read: no lawful full text was reached on 2026-10-27 (see the status note). The summary is drawn from what the work is standardly cited for and from the exchange’s description of it. A reading should check it first.
Why this is here
A22 §5 proposed it as “a better formal starting point” for the owner’s U20 than inertial frames or sheaf sections, and A23 §III made it the starting point of the synthesis: “Interaction can restrict the space of jointly admissible histories.” It bears on CLAIM-471 and CLAIM-480.