Daniel Farley

most citedLocal similarity groups with context-free co-word problem

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math.GR2014★ 1 cited

Local similarity groups with context-free co-word problem

Daniel Farley

Let $G$ be a group, and let $S$ be a finite subset of $G$ that generates $G$ as a monoid. The co-word problem is the collection of words in the free monoid $S^{*}$ that represen…

math.GR2014

Braided Diagram Groups and Local Similarity Groups

Daniel Farley, Bruce Hughes

Hughes defined a class of groups that act as local similarities on compact ultrametric spaces. Guba and Sapir had previously defined braided diagram groups over semigroup presentat…