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math.GR2021
Cayley--Abels graphs and invariants of totally disconnected, locally compact groups
Arnbjörg Soffía Árnadóttir, Waltraud Lederle, Rögnvaldur G. Möller
A connected, locally finite graph is a Cayley--Abels graph for a totally disconnected, locally compact group if acts vertex-transitively with compact, open vertex stabi…
math.GR2012
Normal subgroups of groups acting on trees and automorphism groups of graphs
Rögnvaldur G. Möller, Jan Vonk
Let be a tree and an edge in . If is a component of and both and its complement are infinite we say that is a half-tree. The main result of th…