Math
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MathReassessing an ancient artifact
The famous Mesopotamian clay tablet known as Plimpton 322 represents an ordered list of worked examples that a teacher would use to prepare a sequence of closely related questions about squares and reciprocals for student exercises.
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Math
Scheduled random walks skirt collisions
Researchers in theoretical computer science have made progress in settling the question of whether a clairvoyant scheduler can regulate the timing of moves by random walkers on a grid to keep them from ever colliding.
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