3 papers
math.GR2024
Finite skew braces of square-free order and supersolubility
Adolfo Ballester-Bolinches, Ramón Esteban-Romero, Maria Ferrara +2
The aim of this paper is to study supersoluble skew braces, a class of skew braces that encompasses all finite skew braces of square-free order. It turns out that finite supersolub…
math.GR2024
On the lattice of closed subgroups of a profinite group
Francesco de Giovanni, Iker de las Heras, Marco Trombetti
The subgroup lattice of a group is a great source of information about the structure of the group itself. The aim of this paper is to use a similar tool for studying profinite grou…
math.GR2023
Joins of -subnormal subgroups
Maria Ferrara, Marco Trombetti
Let be a partition of the set of all prime numbers. A subgroup of a finite group is~\textit{-subnormal} in if there exists a cha…