The moving sofa problem, which deals with the math of how shapes can fit around corners, may have been solved by a Korean mathematician. UC Davis mathematician Dan Romik has made a study of the ...

When you’re hauling a couch through a narrow hallway and yelling “Pivot!” like Ross from Friends, you’re unwittingly grappling with a half-century-old mathematical conundrum. Known as the Moving Sofa ...

The "moving sofa problem," a puzzle that has remained unresolved since it was introduced in 1966 and memorably illustrated in the sitcom Friends, may finally have an answer. Baek Jin-eon, a ...

A Korean mathematician has solved one of geometry’s most stubborn puzzles, ending a problem that has challenged researchers for nearly 60 years and earning global recognition for a proof achieved ...

Imagine wrestling a bulky sofa around a right-angled hallway bend, yelling "pivot!" like in that famous ‘Friends’ episode. This reference clearly helps us relate to sofa shifting problems, where ...

What is the largest sofa that you can squeeze around the corner of a hallway? A horseshoe-shaped piece of furniture known as Gerver’s sofa has officially taken the crown, solving a mathematical ...

For decades, mathematicians tried to come up with the optimal sofa shape to move around a corner. Post-doctoral student Jineon Baek posted a 100-page proof that claims to solve the problem. In a scene ...

The movement of a moving sofa in the perspective of hallway (top) and sofa (bottom). Credit: arXiv (2024). DOI: 10.48550/arxiv.2411.19826 A mathematician at Yonsei University, in Korea, claims to have ...

In a scene from the classic sitcom, "Friends," the characters Ross, Rachel and Chandler struggle to heft a new couch up the stairs of their apartment building. As they try to get the sofa around the ...