The "Good Will Hunting" Problem
For anyone curious about what exactly the math problem was that janitor Hunting solved, here are a couple of links:
http://www.math.harvard.edu/archive/21b_fall_03/goodwill/
https://www.quora.com/What-was-the-math-problem-Matt-Damons-character-solved-as-a-janitor-in-an-early-scene-in-Good-Will-Hunting
..*.. TxMike ..*..