A vexing math problem finds an elegant solution

A famous math problem that has vexed mathematicians for decades has met an elegant solution by Cornell researchers. Graduate student Yash Lodha, working with Justin Moore, professor of mathematics, has described a geometric solution for the von Neumann-Day problem, first described by mathematician John von Neumann in 1929..

The full Cornell Chronicle article can be found here: http://www.news.cornell.edu/stories/2013/11/vexing-math-problem-finds-elegant-solution