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math.NT2008

Zero-sum free sequences with small sum-set

Gautami Bhowmik, Immanuel Halupczok, Jan-Christoph Schlage-Puchta

Let A be a zero-sum free subset of Z_n with |A|=k. We compute for k\le 7 the least possible size of the set of all subset-sums of A.

math.NT2007

Inductive Methods and zero-sum free sequences

Gautami Bhowmik, Immanuel Halupczok, Jan-Christoph Schlage-Puchta

We obtain a decidability result for the Davenport constant.