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zbMATH Open
Article . 1978
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Transactions of the American Mathematical Society
Article . 1978 . Peer-reviewed
Data sources: Crossref
Transactions of the American Mathematical Society
Article . 1978 . Peer-reviewed
Data sources: Crossref
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Complete Universal Locally Finite Groups

Complete universal locally finite groups
Authors: Hickin, Ken;

Complete Universal Locally Finite Groups

Abstract

This paper will partly strengthen a recent application of model theory to the construction of sets of pairwise nonembeddable universal locally finite groups [8]. Our result is Theorem. There is a set U \mathcal {U} of 2 ℵ 1 {2^{{\aleph _1}}} universal locally finite groups of order ℵ 1 {\aleph _1} with the following properties: 0.1. If U ≠ V ∈ U U \ne V \in \mathcal {U} and A and B are uncountable sugroups of U and V, then A and B are not isomorphic. Let A be an uncountable subgroup of U ∈ U U \in \mathcal {U} . 0.2. A does not belong to any proper variety of groups, and 0.3. A is not isomorphic to any of its proper subgroups. 0.4. Every U ∈ U U \in \mathcal {U} is a complete group (every automorphism of U is inner).

Keywords

Chains and lattices of subgroups, subnormal subgroups, Subgroup theorems; subgroup growth, Model-theoretic algebra, Automorphisms of infinite groups, General structure theorems for groups, Periodic groups; locally finite groups, Automorphism groups of groups, Applications of logic to group theory, Limits, profinite groups, Local properties of groups

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    popularity
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Average
Top 10%
Average
bronze