Large restricted sumsets in general abelian group

Yahya ould Hamidoune, Susana C. Lopez, Alain Plagne

Let A, B and S be three subsets of a finite Abelian group G. The restricted sumset of A and B with respect to S is defined as A\wedge^{S} B= {a+b: a in A, b in B and a-b not in S}.…