Scientists / Open questions

John Willard Milnor

Differential topology; dynamical systems

1962 Fields Medal

2 questions

Milnor's problem: an effective criterion, in terms of $f$ , for the parabolic or hyperbolic type of the complete graph $z=f(x,y)$
Irrational fjords and limb triviality in the parameter plane of antipode-preserving cubic maps

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