Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

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Commun. Korean Math. Soc. 2016; 31(3): 461-466

Printed July 31, 2016

https://doi.org/10.4134/CKMS.c150196

Copyright © The Korean Mathematical Society.

On the residual finiteness of certain polygonal products of free groups

Goansu Kim

Yeungnam University

Abstract

In general, polygonal products of free groups are not residually finite. Using the residual finiteness of polygonal products of nilpotent groups, we show that certain polygonal products of free groups are residually finite.

Keywords: polygonal products of groups, free groups, residually finite

MSC numbers: Primary 20E26, 20E06; Secondary 20F10

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