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Twist Map


A class of area-preserving maps of the form

theta_(i+1)=theta_i+2pialpha(r_i)
(1)
r_(i+1)=r_i,
(2)

which maps circles into circles but with a twist resulting from the alpha=alpha(r_i) term.


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Cite this as:

Weisstein, Eric W. "Twist Map." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TwistMap.html

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