Nicholas Schiefer on Twitter: "A delightful list of mathematical questions by Linus Hamilton. "All of these questions are either open or have a one-sentence solution. Can you guess which are which?" https://t.co/wjZC8zfoKO https://t.co/PMfL5HHHIH" / Twitter

A delightful list of mathematical questions by Linus Hamilton. "All of these questions are either open or have a one-sentence solution. Can you guess which are which?" linushamilton.com/misc/Open_or_T