Mathematician Claims Breakthrough in Decades-Old Moving Sofa Problem

This 100-Page Proof Claims to Have Solved the World’s Most Frustrating Math Puzzle: What's The Largest Sofa That Fits Around a Corner?

Mathematician claims to have cracked the annoying puzzle of fitting a sofa around a corner.

After More Than 50 Years, Math's "Sofa Problem" May Finally Be Solved

One month after the bunkbed conjecture, another piece of furniture has fallen to the mathematicians.

Mathematician Finally Solves Age-Old Moving Sofa Problem

Mathematicians aren't usually the first point of call on moving day.

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.