A remark on the intersection of the conjugates of the base of quasi-HNN groups.
Mahmood, R.M.S. (2004)
International Journal of Mathematics and Mathematical Sciences
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Mahmood, R.M.S. (2004)
International Journal of Mathematics and Mathematical Sciences
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Cleary, Sean, Taback, Jennifer (2003)
The New York Journal of Mathematics [electronic only]
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Mahmood, R.M.S. (2003)
International Journal of Mathematics and Mathematical Sciences
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Mahmood, R.M.S., Khanfar, M.I. (2000)
International Journal of Mathematics and Mathematical Sciences
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Charles Terence Clegg Wall (2003)
Revista Matemática Complutense
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A survey of splitting theorems for abstract groups and their applications. Topics covered include preliminaries, early results, Bass-Serre theory, the structure of G-trees, Serre's applications to SL and length functions. Stallings' theorem, results about accessibility and bounds for splittability. Duality groups and pairs; results of Eckmann and collaborators on PD groups. Relative ends, the JSJ theorems and the splitting results of Kropholler and Roller on PD groups. Notions of quasi-isometry,...
Alejandro Adem (2001-2002)
Séminaire Bourbaki
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Changwen Li, Xuemei Zhang, Xiaolan Yi (2013)
Colloquium Mathematicae
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The major aim of the present paper is to strengthen a nice result of Shemetkov and Skiba which gives some conditions under which every non-Frattini G-chief factor of a normal subgroup E of a finite group G is cyclic. As applications, some recent known results are generalized and unified.
Leary, Ian J. (2005)
Geometry & Topology
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Xianhua Li, A. Ballester-Bolinches (2006)
Bollettino dell'Unione Matematica Italiana
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In this paper the concept of s-pair for a subgroup of a finite group is introduced and studied. It provides a uniform way to study the influence of some families of subgroups on the structure of a finite group. A criterion for a finite group to belong to a saturated formation and necessary and sufficient conditions for solubility, supersolvability and nilpotence of a finite group are given.
Jiří Parobek (1976)
Časopis pro pěstování matematiky
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Obaid, Evelyn E. (1989)
International Journal of Mathematics and Mathematical Sciences
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