In physical systems, the n dimensions may be, for example, two or three positional coordinates for each of one or more physical entities; in economic systems, they may be separate variables such as the inflation rate and the unemployment rate.
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James Gleick (1988) Chaos: Making a New Science ISBN 0-14-009250-1
The fixed point attractor naturally follows from the Hopfield network.
In 2009, he voiced a robot (IR-2) in the NASA animated short "Robot Astronomy Talk Show: Gravity and the Great Attractor," part of the web-series IRrelevant Astronomy produced by NASA's Spitzer Space Telescope.
It is also a major plot point in the Xeelee Sequence series of books by Stephen Baxter, specifically in the book Ring where it is described as a cosmic string, artificially made into a loop creating the phenomenon of the Great Attractor.
The subject of his doctoral thesis, supervised by Donald Lynden-Bell, FRS, was "Gravity, Galaxies and the "Great Attractor" Survey".