... tensor.¹

A tensor is the two-dimensional generalization of a vector. However, for our purposes, we can simply think of a tensor as another name for a matrix.

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... respectively.²

G.L. Baker, Control of the chaotic driven pendulum, Am. J. Phys. 63, 832 (1995).

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... interactions.³

E.S. Albers and B.W. Lee, Phys. Rep. 9C, 1 (1973).

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... universe.⁴

P. Coles, and F. Lucchin, Cosmology: The origin and evolution of cosmic structure, (J. Wiley & Sons, Chichester UK, 1995).

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...fractal.⁵

B.B. Mandelbrot, The fractal geometry of nature, (W.H. Freeman, New York NY, 1982).

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... bifurcations.⁶

M.J. Feigenbaum, Quantitative universality for a class of nonlinear transformations, J. Stat. Phys. 19, 25 (1978).

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... bifurcations.⁷

M.J. Feigenbaum, The universal metric properties of nonlinear transformations, J. Stat. Phys. 21, 69 (1979).

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... systems.⁸

P. Citanovic, Universality in chaos, (Adam Hilger, Bristol UK, 1989).

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... ground.⁹

E. Lorenz, Deterministic nonperiodic flow, J. Atmospheric Science 20, 130 (1963).

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... increased.¹⁰

N. Metropolis, M.L. Stein, and P.R. Stein, On finite limit sets for transformations on the unit interval, J. Combin. Theor. 15, 25 (1973).

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... systems.¹¹

R.H. Simoyi, A. Wolf, and H.L. Swinney, One-dimensional dynamics in a multi-component chemical reaction, Phys. Rev. Lett. 49, 245 (1982).

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