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Free groups as end homogeneity groups of 3-manifolds
ID
Garity, Dennis
(
Author
),
ID
Repovš, Dušan
(
Author
)
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https://ems.press/journals/rmi/articles/1517722
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Abstract
For every finitely generated free group ▫$F$▫, we construct an irreducible open 3-manifold ▫$M_F$▫ whose end set is homeomorphic to a Cantor set, and with the end homogeneity group of ▫$M_F$▫ isomorphic to ▫$F$▫. The end homogeneity group is the group of all self-homeomorphisms of the end set that extend to homeomorphisms of the entire 3-manifold. This extends an earlier result that constructs, for each finitely generated abelian group ▫$G$▫, an irreducible open 3-manifold ▫$M_G$▫ with end homogeneity group ▫$G$▫. The method used in the proof of our main result also shows that if ▫$G$▫ is a group with a Cayley graph in ▫$\mathbb{R}^3$▫ such that the graph automorphisms have certain nice extension properties, then there is an irreducible open 3-manifold ▫$M_G$▫ with end homogeneity group ▫$G$▫.
Language:
English
Keywords:
open 3-manifold
,
rigidity
,
manifold end
,
geometric index
,
Cantor set
,
homogeneity group
,
abelian group
,
defining sequence
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
PEF - Faculty of Education
FMF - Faculty of Mathematics and Physics
Publication version:
Author Accepted Manuscript
Year:
2022
Number of pages:
Str. 113-130
Numbering:
Vol. 38, iss. 1
PID:
20.500.12556/RUL-135295
UDC:
515.122
ISSN on article:
0213-2230
DOI:
10.4171/RMI/1273
COBISS.SI-ID:
69890563
Publication date in RUL:
07.03.2022
Views:
382
Downloads:
188
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Record is a part of a journal
Title:
Revista matemática iberoamericana
Shortened title:
Rev. mat. iberoam.
Publisher:
Consejo Superior de Investigaciones Científicas, Real Sociedad Matemática Española, Antonio Córdoba
ISSN:
0213-2230
COBISS.SI-ID:
26288128
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
BI-US/19-21-024
Funder:
ARRS - Slovenian Research Agency
Project number:
P1-0292
Name:
Topologija, geometrija in nelinearna analiza
Funder:
ARRS - Slovenian Research Agency
Project number:
N1-0114
Name:
Algebrajski odtisi geometrijskih značilnosti v homologiji
Funder:
ARRS - Slovenian Research Agency
Project number:
N1-0083
Name:
Forsing, fuzija in kombinatorika odprtih pokritij
Funder:
ARRS - Slovenian Research Agency
Project number:
N1-0064
Name:
Analiza zveznih in diskretnih matematičnih modelov v biologiji, kemiji in genetiki
Funder:
ARRS - Slovenian Research Agency
Project number:
J1-8131
Name:
Zvezni in diskretni sistemi v nelinearni analizi
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