THE CAMERONāERDOS CONJECTURE
THE CAMERONāERDOS CONJECTURE
A subset A of the integers is said to be sum-free if there do not exist elements x, y, z ā A with x + y = z. It is shown that the number of sum-free subsets of {1,ā¦,N} is O(2N/2), confirming a well-known conjecture of Cameron and ErdÅs. 2000 ā¦