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  2. Fair cake-cutting - Wikipedia

    en.wikipedia.org/wiki/Fair_cake-cutting

    For two cakes, they prove that an EF allocation may not exist when there are 2 agents and each cake is cut into 2 pieces. However, an EF allocation exists when there are 2 agents and one cake is cut into 3 pieces (the least-wanted piece is discarded), or when there are 3 agents and each cake is cut into 2 pieces (one agent is ignored; the ...

  3. Sawing a woman in half - Wikipedia

    en.wikipedia.org/wiki/Sawing_a_woman_in_half

    After a while the sides of the box fall away to reveal the performer struggling to escape the manacles. Finally the saw drops before the performer has time to escape. The blade slices right through the performer's body. The two halves of the table are rolled apart so that the performer is clearly separated into two sections.

  4. Divide and choose - Wikipedia

    en.wikipedia.org/wiki/Divide_and_choose

    Divide and choose (also Cut and choose or I cut, you choose) is a procedure for fair division of a continuous resource, such as a cake, between two parties. It involves a heterogeneous good or resource ("the cake") and two partners who have different preferences over parts of the cake (both want as much of it as possible). The procedure ...

  5. Pizza theorem - Wikipedia

    en.wikipedia.org/wiki/Pizza_theorem

    Let p be an interior point of the disk, and let n be a multiple of 4 that is greater than or equal to 8. Form n sectors of the disk with equal angles by choosing an arbitrary line through p, rotating the line ⁠ n / 2 ⁠ − 1 times by an angle of ⁠ 2 π / n ⁠ radians, and slicing the disk on each of the resulting ⁠ n / 2 ⁠ lines.

  6. Infinite divisibility - Wikipedia

    en.wikipedia.org/wiki/Infinite_divisibility

    Consider, for example, an act of becoming during one second. The act is divisible into two acts, one during the earlier half of the second, the other during the later half of the second. Thus that which becomes during the whole second presupposes that which becomes during the first half-second.

  7. Quartile - Wikipedia

    en.wikipedia.org/wiki/Quartile

    Use the median to divide the ordered data set into two halves. The median becomes the second quartile. The median becomes the second quartile. If there are an odd number of data points in the original ordered data set, do not include the median (the central value in the ordered list) in either half.

  8. Quarters vs Halves: Explaining why men's, women's college ...

    www.aol.com/quarters-vs-halves-explaining-why...

    "Four quarters instead of two halves: Men's college basketball is the only visible form of the game in the world that does not have quarters. It is not a question of remaining unique. It is not a ...

  9. Hilbert's third problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_third_problem

    Therefore, these two shapes cannot be scissors-congruent. A polyhedron's invariant is defined based on the lengths of its edges and the angles between its faces. If a polyhedron is cut into two, some edges are cut into two, and the corresponding contributions to the Dehn invariants should therefore be additive in the edge lengths.