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Yahya O. Hamidoune Some additive applications of the isoperimetric approach (Quelques applications additives de la méthode isopérimétrique) Annales de l'institut Fourier, 58 no. 6 (2008), p. 2007-2036, doi: 10.5802/aif.2404 Article: subscription required (your ip address: 107.21.156.140) | Reviews MR 2473627 | Zbl 1173.05019 Class. Math.: 05C25, 20D60, 11B75, 05C40 Keywords: Addition theorem, Cayley graph, inverse additive theory Résumé - Abstract Let $G$ be a group and let $X$ be a finite subset. The isoperimetric method investigates the objective function $|(XB)\setminus X|$, defined on the subsets $X$ with $|X|\ge k$ and $|G\setminus (XB)|\ge k$, where $XB$ is the product of $X$ by $B$. In this paper we present all the basic facts about the isoperimetric method. We improve some of our previous results and obtain generalizations and short proofs for several known results. We also give some new applications. 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