27th Annual Iranian Mathematics Conference , 1996-03-26

Title : ( On the Generalized Capable Groups )

Authors: Mohammad Reza Rajabzadeh Moghaddam , Saeed Kayvanfar ,

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Let $\\cal V$ be a variety of groups defined by the set of laws $V$. In this paper, we will show that every group $G$ possesses a uniquely determined subgroup $(V^*)^*(G)$ of marginal subgroup $V^*(G)$ , which is minimal subject to being the image in $G$ of the marginal subgroup of some $\\cal V$-marginal extension of $G$. $(V^*)^*(G)$ is characteristic and is also the smallest subgroup of $V^*(G)$ whose factor-group is $\\cal V$-capable. Hence a necessary and sufficient condition for ${\\cal V}$-capability will be presented. Furthermore, it will be shown that the class of all ${\\cal V}$-capable groups is closed under the direct products.


Capable Groups
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author = {Rajabzadeh Moghaddam, Mohammad Reza and Kayvanfar, Saeed},
title = {On the Generalized Capable Groups},
booktitle = {27th Annual Iranian Mathematics Conference},
year = {1996},
location = {شیراز, IRAN},
keywords = {Capable Groups},


%0 Conference Proceedings
%T On the Generalized Capable Groups
%A Rajabzadeh Moghaddam, Mohammad Reza
%A Kayvanfar, Saeed
%J 27th Annual Iranian Mathematics Conference
%D 1996