The normalizer condition
Matematičeskie zametki, Tome 3 (1968) no. 1, pp. 45-50
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It is proved that a torsion-free group $\mathfrak G$, in which every infinite proper subgroup is distinct from its normalizer satisfies the normalizer condition, i.e., every proper subgroup is distinct from its normalizer.
@article{MZM_1968_3_1_a5,
author = {S. N. Chernikov},
title = {The normalizer condition},
journal = {Matemati\v{c}eskie zametki},
pages = {45--50},
year = {1968},
volume = {3},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1968_3_1_a5/}
}
S. N. Chernikov. The normalizer condition. Matematičeskie zametki, Tome 3 (1968) no. 1, pp. 45-50. http://geodesic.mathdoc.fr/item/MZM_1968_3_1_a5/