来源:Journal of Combinatorial Theory - Series A, 2002, 100(2): 387-393.
DOI:10.1006/jcta.2002.3294
摘要
Let A and B be two finite subsets of a field F. In this paper, we provide a nontrivial lower bound for \{a + b: a epsilon A, b epsilon B, and P(a, b) not equal 0}\ where P(x, y) epsilon F[x, y].