Gusso, Riccardo2017-05-312017-05-312002-10-011576-9402https://riunet.upv.es/handle/10251/82077[EN] We study the behaviour of large, small and medium subsets with respect to homomorphisms and products of groups. Then we introduce the definition af a P-small set in abelian groups and we investigate the relations between this kind of smallness and the previous one, giving some examples that distinguish them.Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)GroupLarge setSmall setP-small setHomomorphismDirect productLarge and small sets with respect to homomorphisms and products of groupsArtÃculo2017-05-3010.4995/agt.2002.2059Abierto1989-4147