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Part of book or chapter of book . 2006 . Peer-reviewed
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Subgroups of Abelian Polish Groups

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 04 Sep 2006 English Publisher:Birkhäuser Basel
Authors: Greg Hjorth;

doi: 10.1007/3-7643-7692-9_11

Subgroups of Abelian Polish Groups

Abstract

2. Notation In what follows, G is an uncountable abelian Polish group and d(·, ·) a compatible, complete, two sided-invariant metric. We write the group operations on G with reference to it being abelian – thus + is the group operation and n · g stands for g + g + · · · (n times) · · ·+ g. 0 is the group identity in G. We will find it convenient to use the notation of an infinite sum. Thus we say that

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selected citations
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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).
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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.
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