Mathematician finally solves infamous moving sofa problem popularised by Friends ‘pivot’ scene - Scientific American jokes that ‘explaining the ‘Pivot!’ shouted by Ross Geller required a 119-page pape ...

For those who have wrestled a bulky couch around a tight corner and lamented, “Will this ever get through?” mathematicians have heard your pleas. Geometry’s “moving sofa problem” asks for the largest ...

After almost sixty years of stumping progress in geometry, a Korean mathematician has cracked a problem that generations of ...

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 ...