IMCS/Publications/BASM/Issues/BASM n.1 (23), 1997/

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

Authors: Arnautov Vladimir, Topala A. G.


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
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