A step beyond Kemperman's structure theorem
Abstract
We extend Kemperman's structure theorem by completely characterizing those finite subsets A and B of an arbitrary abelian group with |A + B| = |A| + |B|.
Publication Title
Mathematika
Recommended Citation
Grynkiewicz, D. (2009). A step beyond Kemperman's structure theorem. Mathematika, 55 (1-2), 67-114. https://doi.org/10.1112/S0025579300000966
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