Showing math.RAShow all
2 papers · 1 filter
math.RA2024
Units in group rings and blocks of Klein four or dihedral defect
Florian Eisele, Leo Margolis
We obtain restrictions on units of even order in the integral group ring of a finite group by studying their actions on the reductions modulo of lattices over…
math.RA2022
Units in Blocks of Defect 1 and the Zassenhaus Conjecture
F. Eisele, L. Margolis
Building on previous work by Caicedo and the second author, we develop a method that decides the existence of units of finite order in blocks of of defect 1. This…