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math.GR2018
Normal subgroups in the group of column-finite infinite matrices
Waldemar Hołubowski, Martyna Maciaszczyk, Sebastian Żurek
The classical result, due to Jordan, Burnside, Dickson, says that every normal subgroup of ( - a field, ) which is not contained in the center, contains $SL…
math.GR2015★ 1 cited
Bijections preserving commutators and automorphisms of unitriangular group
Waldemar Holubowski, Alexei Stepanov
We complete characterization of bijections preserving commutators (PC-maps) in the group of unitriangular matrices over a field , where is a natural number or infi…