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Just five days after posting a retraction, László Babai announced that he had fixed the error in his landmark graph isomorphism algorithm.
The legendary graph isomorphism problem may be harder than a 2015 result seemed to suggest.
At 28, Peter Scholze is uncovering deep connections between number theory and geometry.
A new series of papers has settled a long-standing question related to the popular game in which players seek patterned sets of three cards.
Computer scientists are abuzz over a fast new algorithm for solving one of the central problems in the field.
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