Packing subgroups in solvable groups

Autor: Pranab Sardar
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Sardar, Pranab. (2014). Packing subgroups in solvable groups. UC Davis: Department of Mathematics. Retrieved from: http://www.escholarship.org/uc/item/9mz9g1th
Popis: We show that any subgroup of a (virtually) nilpotent-by-polycyclic group satisfies the bounded packing property of Hruska-Wise. In particular, the same is true about metabelian groups and linear solvable groups. However, we find an example of a finitely generated solvable group of derived length 3 which admits a finitely generated subgroup without the bounded packing property. In this example the subgroup is a metabelian retract also. Thus we obtain a negative answer to Problem 2.27 of Hruska-Wise. On the other hand, we show that polycyclic subgroups of solvable groups satisfy the bounded packing property.
8 pages, no figure
Databáze: OpenAIRE