Search results
From Polymath Wiki
Jump to navigationJump to search
- ...oblem", this question has remained unanswered since the 1930s (Erdős, 1957) and Erdős offered $500 for an answer. It was also asked by Chudakov ( ...enyi.hu/~p_erdos/1957-13.pdf Some unsolved problems], Michigan Math. J. 4 (1957), 291--300 MR20 #5157; Zentralblatt 81,1. ...29 KB (4,312 words) - 10:31, 21 September 2015