RO  EN
IMI/Publicaţii/BASM/Ediţii/BASM n.1 (23), 1997/

On the nonmodularity of the lattice of group topologies. (Russian)

Authors: Arnautov Vladimir, Topala A. G.

Abstract

Let $G$ a free group, generated by the set $X$, which contains more than one element. Then the lattice of all group topologies of $G$ is not modular.

Institutul de Matematică Academia de Ştiinţe a Moldovei
str. Academiei 5, Chişinău, MD-2028 Moldova