2014
DOI: 10.18255/1818-1015-2014-4-148-180
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On the Root-class Residuality of HNN-extensions of Groups

Abstract: получена 25 июня 2014Ключевые слова: HNN-расширение, корневой класс групп, аппроксимируемость корневыми классами группПусть K произвольный корневой класс групп (это означает, что K со-держит хотя бы одну неединичную группу, замкнут относительно взятия под-групп и прямых произведений конечного числа сомножителей и удовлетво-ряет условию Грюнберга: если 1 Z Y X субнормальный ряд груп-пы X такой, что фактор-группы X/Y и Y /Z принадлежат классу K, то в груп-пе X существует нормальная подгруппа T такая, что T ⊆ Z и… Show more

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Cited by 16 publications
(3 citation statements)
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References 6 publications
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“…The papers [3,7] are the starting point for these studies, the latest results obtained in this area can be found in [19-21, 24-27, 31, 32]. The root-class residuality of HNN-extensions is studied in [6,23,24,[28][29][30]32]. These papers deal mainly with the cases when the associated subgroups coincide or intersect trivially.…”
Section: Introduction Statement Of Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The papers [3,7] are the starting point for these studies, the latest results obtained in this area can be found in [19-21, 24-27, 31, 32]. The root-class residuality of HNN-extensions is studied in [6,23,24,[28][29][30]32]. These papers deal mainly with the cases when the associated subgroups coincide or intersect trivially.…”
Section: Introduction Statement Of Resultsmentioning
confidence: 99%
“…This number is called the length of g and is denoted in this paper by |g|. The following proposition is a generalization of Theorem 4.2 from [4] and is partially proved in [29].…”
Section: Necessary Sufficient Conditions For the C-residuality Of Hnn...mentioning
confidence: 94%
“…The root-class residuality of other free entities (generalized free products, HNN-extensions) was studied in [2][3][4][5][6][7][8][9][10][11][12]. Other properties of root classes of groups were considered in [12][13][14][15].…”
Section: Introductionmentioning
confidence: 99%