Abstract
A finite set of positive integers is called sum-free if double-struck A∩n (double-struck A + double-struck A) is empty, where double-struck A + double-struck A denotes the set of sums of pairs of non necessarily distinct elements from double-struck A. Improving upon a previous result by G.A. Freiman, a precise description of the structure of sum-free sets included in [1, M] with cardinality larger than 0.4M - x for M ≥ M0(x) (where x is an arbitrary given number) is given.
Original language | American English |
---|---|
Pages (from-to) | 149-161 |
Number of pages | 13 |
Journal | Asterisque |
Volume | 258 |
State | Published - 1999 |
Externally published | Yes |
Keywords
- Additive number theory
- Arithmetic progressions
- Combinatorial number theory
- Sum-free sets