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18
votes
Accepted
Sets that are not sum of subsets
Related questions are discussed in
Antoniou and T., On the Arithmetic of Power Monoids and Sumsets in Cyclic Groups, Pacific J. …
6
votes
sum-sets in a finite field
I first learned about this problem from Éric Balandraud (in 2013). So I wrote to him a couple of days ago, and he has just sent me an e-mail explaining that the question dates back (at least) to 1971. …