Combinatorics, Probability and Computing
IEEE Transactions on Information Theory
A lower bound for the size of a minkowski sum of dilates
Combinatorics, Probability and Computing
Sums of dilates in groups of prime order
Combinatorics, Probability and Computing
European Journal of Combinatorics
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The λ-dilate of a set A is λċA={λa : a∈A}. We give an asymptotically sharp lower bound on the size of sumsets of the form λ1ċA+ċċċ+λkċA for arbitrary integers λ1,. . .,λk and integer sets A. We also establish an upper bound for such sums, which is similar to, but often stronger than Plünnecke's inequality.