On the critical pair theory in abelian groups : Beyond Chowla's Theorem
Idioma
en
Article de revue
Este ítem está publicado en
Combinatorica. 2008, vol. 28, n° 4, p. 441-467
Springer Verlag
Resumen en inglés
We obtain critical pair theorems for subsets S and T of an abelian group such that |S+T| < |S|+|T|+1. We generalize some results of Chowla, Vosper, Kemperman and a more recent result due to Rodseth and one of the authors.