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math.GR2019★ 1 cited
Graph inverse semigroups and Leavitt path algebras
John Meakin, Zhengpan Wang
We study two classes of inverse semigroups built from directed graphs, namely graph inverse semigroups and a new class of semigroups that we refer to as Leavitt inverse semigroups.…
math.GR2019
Graph Immersions, Inverse Monoids, and Deck Transformations
Corbin Groothuis, John Meakin
If is a covering map between connected graphs, and is the subgroup of used to construct the cover, then it is well known that the group o…