8 thoughts on “The Hardest Math Problem In The World”

  1. Let f(x) be a function defined on the positive integers such that:

    f(x) = x/2 if x is even
    f(x) = (3*x+1)/2 if x is odd

  2. “What’s the geometrical meaning of the central extension of the algebra
    of diffeomorphisms of the circle?
    AKA
    the 3X + 1 problem”.
    Let f(x) be a function defined on the positive integers such that:

    f(x) = x/2 if x is even
    f(x) = (3*x+1)/2 if x is odd

    Then the conjecture is: iterates of f(x) will eventually reach 1 for any
    initial value of x.

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