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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Semigroup Forum
Article . 1991 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 1991
Data sources: zbMATH Open
https://dx.doi.org/10.1007/bf0...
Article
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Null cones and pseudo-riemannian metrics

Null cones and pseudo-Riemannian metrics
descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1991 Germany English Publisher:Springer Science and Business Media LLCJournal:Semigroup Forum, volume 43, pages 337-343 (issn: 0037-1912, eissn: 1432-2137, Copyright policy )
Authors: Ehrlich, P.;

doi: 10.1007/bf02574276

Null cones and pseudo-riemannian metrics

Abstract

This paper reviews in some detail the algebraic properties of classes of nondegenerate inner products (with arbitrary signature) having the same null cone over a real vector space. This generalizes the study of conformally related metrics in general relativity. Global results relating to conformal transformations of manifolds and causality properties are also obtained and related to known theorems.

Country
Germany
Related Organizations
Keywords

conformal geometries, 510.mathematics, Local differential geometry of Lorentz metrics, indefinite metrics, null cones, causality properties, conformally related metrics, Semigroups, nondegenerate inner products, Article, semigroups

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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!
6
Average
Top 10%
Average
Green