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Homogeneity groups of ends of open 3-manifolds

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Title Homogeneity groups of ends of open 3-manifolds
Names Garity, Dennis J. (creator)
Repovš, Dušan (creator)
Date Issued 2014-07-15 (iso8601)
Note This is the publisher’s final pdf. The published article is copyrighted by the Mathematical Sciences Publishers and can be found at: http://msp.org/pjm/2014/269-1/index.xhtml.
Abstract For every finitely generated abelian group G, we construct an irreducible
open 3-manifold M[subscript G] whose end set is homeomorphic to a Cantor set and
whose homogeneity group is isomorphic to G. The end homogeneity group
is the group of self-homeomorphisms of the end set that extend to homeomorphisms
of the 3-manifold. The techniques involve computing the embedding
homogeneity groups of carefully constructed Antoine-type Cantor sets
made up of rigid pieces. In addition, a generalization of an Antoine Cantor
set using infinite chains is needed to construct an example with integer homogeneity
group. Results about the local genus of points in Cantor sets and
about the geometric index are also used.
Genre Article
Topic Open 3-manifold
Identifier Garity, D. J., & Repovš, D. (2014). Homogeneity groups of ends of open 3-manifolds. Pacific Journal of Mathematics, 269(1), 99-112. doi:10.2140/pjm.2014.269.99

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