- Title
- Scale-multiplicative semigroups and geometry: Automorphism groups of trees
- Creator
- Baumgartner, Udo; Ramagge, Jacqui; Willis, George A.
- Relation
- Groups, Geometry, and Dynamics Vol. 10, Issue 3, p. 1051-1075
- Publisher Link
- http://dx.doi.org/10.4171/GGD/376
- Publisher
- European Mathematical Society Publishing House
- Resource Type
- journal article
- Date
- 2016
- Description
- A scale-multiplicative semigroup in a totally disconnected, locally compact group G is one for which the restriction of the scale function on G is multiplicative The maximal scale-multiplicative semigroups in groups acting 2-transitively on the set of ends of trees without leaves are determined and shown to correspond to geometric features of the tree.
- Subject
- scale function; tidy subgroup; homogeneous tree; tree ends
- Identifier
- http://hdl.handle.net/1959.13/1328991
- Identifier
- uon:26039
- Identifier
- ISSN:1661-7207
- Language
- eng
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