A 31-year-old Korean mathematician solved one of the oldest math puzzles and was recognized as one of Scientific American’s top math breakthroughs of 2025. The “Optimality of Gerver's Sofa” study by ...
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Mathematician solves the moving sofa problem
A mathematician at Yonsei University, in Korea, claims to have solved the moving sofa problem. Jineon Baek has posted a 100+-page proof of the problem on the arXiv preprint server. Most people who ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
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