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Puzzled: Understanding relationships among numbers Export

by: Peter Winkler
Commun. ACM, Vol. 52, No. 5. (2009), pp. 112-112.

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algorithms cacm math-bib number-theory puzzle puzzled

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Welcome to three new challenging mathematical puzzles. Solutions to the first two will be published next month; the third is as yet (famously) unsolved. In each puzzle, the issue is how numbers interact with one another.


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