17 is the minimum number of clues required to give a unique sudoku solution - but how did mathematicians prove this?
Dr James Grime discusses a recent paper which cracked the problem. The paper being discussed by McGuire and others is at http://arxiv.org/abs/1201.0749
Numberphile on Facebook: http://www.facebook.com/numberphile
Numberphile tweets: https://twitter.com/numberphile
Videos by Brady Haran
James Grime's website is at http://singingbanana.com/
Tagged under: sudoku,puzzle,sudoku clues,numberphile,number phile,number,numbers,maths,mathematics,mathematical,numerals,count,counting Mathematics
Find more lesson plans like this:A Lesson Before Dying Chapter 17
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