Some general, algebraic remarks on tensor classification, the group $O(2,2)$ and sectional curvature in 4-dimensional manifolds of neutral signature

DOI10.4064/cm7140s-3-2017zbMath1380.53028OpenAlexW2756316672MaRDI QIDQ4596086

Graham S. Hall

Publication date: 30 November 2017

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/cm7140s-3-2017

zbMATH Keywords

sectional curvatureneutral signaturealgebraic classificationgroup \(\mathrm{O}(2, 2)\)symmetric and skewsymmetric tensors

Mathematics Subject Classification ID

Differential geometric aspects in vector and tensor analysis (53A45) Global differential geometry (53C99) Local differential geometry of Lorentz metrics, indefinite metrics (53B30)

Related Items (3)

Symmetries in 4-dimensional manifolds ⋮ A study on killing vector fields in four-dimensional spaces ⋮ Symmetries in 4-dimensional manifolds with metric of neutral signature

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