On Divisors of Sums of Integers IV
On Divisors of Sums of Integers IV
Throughout this article c 0 , c 1 , c 2 , … will denote effectively computable positive absolute constants. Denote the cardinality of a set X by | X |. Let N be a positive integer and let A and B be non-empty subsets of {1, …,N}. Put In …