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Ramsey’s theorem predicts a surprising (and useful) consistency in the organization of graphs. Here’s a simple visual proof of how it works.
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.
Computer scientists are abuzz over a fast new algorithm for solving one of the central problems in the field.
Neuroscientists have identified a network of highly linked brain regions that could prove essential in integrating information and facilitating higher-order cognitive tasks.
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