William J. Wesley, An elementary solution to the 2-color Pythagorean triples problem December 1 Tuesday @ 4:30 PM - 5:30 PM KST Room B332 IBS (기초과학연구원) In the 1980s, Ron Graham asked whether every red/blue coloring of the positive integers contains a monochromatic Pythagorean triple and offered a $100 prize for the answer. The bounty was … Continue Reading