Post #2200 1.53K Mar 5, 2020, 19:04 UTC Independence problem solved through collaboration | MIT News@infinitymathhttp://news.mit.edu/2019/mit-undergraduates-solve-combinatorics-problem-0225 MIT News Independence problem solved through collaboration MIT math professor Yufei Zhao gives his undergraduates a frustrating combinatorics problem; their solution will be published in the Journal of Combinatorial Theory, Series B.