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Petrov classification

In differential geometry and theoretical physics, the Petrov classification (also known as Petrov–Pirani–Penrose classification) describes the possible algebraic symmetries of the Weyl tensor at each event in a Lorentzian manifold.

Regions, Physical interpretation & Classification theorem

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Overview

Classification theorem

Newman–Penrose formalism

Bel criteria

  • Metric Metric (general relativity)

Physical interpretation

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Generalization to higher dimensions

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Petrov classification

Nodes71
Edges70
Triples56
Avg. degree1.97
Density0.028169
Components1

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Petrov classification

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related to References · 53
Petrov classification → Annals, Bibcode, Black, Cambridge, Cambridge University Press, Classical, Classification, Co, Coley, Curvature Structure, Editor's, Einstein Spaces, Einstein's Field Equations, English, Exact Solutions, General Relativity, Gos, Graham, Gravitation, Herlt

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Important terminology

tensor type weyl displaystyle classification petrov field null types general gravitational event iii relativity special fields theorem ii algebraically regions

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Weyl tensorinstance ofClassification theoremWe can think of a fourth rank tensor0.80text
evaluated at some eventinstance ofClassification theoremWe can think of a fourth rank tensor0.80text
as acting on the space of bivectors at that event like a linear operator acting on a vector spaceinstance ofClassification theoremWe can think of a fourth rank tensor0.80text
Petrov classificationrelated to ReferencesColey0.60section
Petrov classificationrelated to ReferencesClassification0.60section
Petrov classificationrelated to ReferencesWeyl0.60section
Petrov classificationrelated to ReferencesClassical0.60section
Petrov classificationrelated to ReferencesQuantum Gravity0.60section
Petrov classificationrelated to ReferencesL350.60section
Petrov classificationrelated to ReferencesL420.60section
Petrov classificationrelated to ReferencesBibcode0.60section
Petrov classificationrelated to ReferencesL010.60section

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