A set A is called sum-free if the equation a1+a2=a3 does not have solutions in elements of A. Equivalently, a set is sum-free if it is disjoint from its 2-fold sumset, i.e., A2A=.

Title sum-free
Canonical name Sumfree
Date of creation 2013-03-22 13:39:08
Last modified on 2013-03-22 13:39:08
Owner bbukh (348)
Last modified by bbukh (348)
Numerical id 5
Author bbukh (348)
Entry type Definition
Classification msc 11B75