On m-ω1-pω+n-Projective Abelian p-Groups

On m-ω1-pω+n-Projective Abelian p-Groups

For any non-negative integers m and n, we define the classes of m-ω1-pω+n- projective groups and strongly m-ω1-pω+n-projective groups, which properly encompass the classes of ω1-pω+n-projectives introduced by Keef in J. Algebra Numb. Th. Acad. (2010) and strongly ω1-pω+n-projectives introduced by th...

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Bibliographic Details
Main Author: Danchev Peter
Format: Article
Language:English
Published: De Gruyter 2014-12-01
Series:Demonstratio Mathematica
Subjects:
and phrases pω+n -projective groups
ω1-pω+n -projective groups
strongly ω1-pω+n-projective groups
countable subgroups
nice subgroups
Ulm subgroups
Ulm factors
Online Access:http://www.degruyter.com/view/j/dema.2014.47.issue-4/dema-2014-0065/dema-2014-0065.xml?format=INT

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http://www.degruyter.com/view/j/dema.2014.47.issue-4/dema-2014-0065/dema-2014-0065.xml?format=INT

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