6 citations · 15 across the 11 of their papers we have counts for
Showing math.GRShow all
2 papers · 1 filter
math.GR2023
Neumann property in the extended modular group and maximal nonparabolic subgroups of the modular group
Andrzej Matraś, Artur Siemaszko
It is know that any Neumann subgroup of the modular group is maximal non-parabolic. The question arises as to whether these are the only maximal non-parabolic subgroups. The wild c…
math.GR2020
The Cayley Graph of Neumann Subgroups
Andrzej Matraś, Artur Siemaszko
All Cayley representations of the distant graph over integers are characterized as Neumann subgroups of the extended modular group. Possible structures of Neumann subgroups a…