Commun. Korean Math. Soc. 2020; 35(4): 1087-1093
Online first article September 3, 2020 Printed October 31, 2020
https://doi.org/10.4134/CKMS.c200105
Copyright © The Korean Mathematical Society.
Khoi Minh Nguyen-Duy
Vietnam National University
The aim of this paper is to show that every Engel quasi-normal subgroups of the unit group of a division ring with uncountable center is central.
Keywords: Division ring, Engel group, quasi-normal subgroup, uncountable center
MSC numbers: Primary 16R40, 16S32, 20F45
Supported by: This work is funded by Vietnam National University HoChiMinh City (VNUHCM) undergrant number B2020-18-02
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