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- Title
Four-dimensional vector multiplets in arbitrary signature (I).
- Authors
Cortés, V.; Gall, L.; Mohaupt, T.
- Abstract
We derive a necessary and sufficient condition for Poincaré Lie superalgebras in any dimension and signature to be isomorphic. This reduces the classification problem, up to certain discrete operations, to classifying the orbits of the Schur group on the vector space of superbrackets. We then classify four-dimensional 𝒩 = 2 supersymmetry algebras, which are found to be unique in Euclidean and in neutral signature, while in Lorentz signature there exist two algebras with R-symmetry groups U (2) and U(1 , 1) , respectively.
- Subjects
GROUP algebras; VECTOR spaces; ALGEBRA; SPACE groups; LORENTZ spaces; LIE superalgebras
- Publication
International Journal of Geometric Methods in Modern Physics, 2020, Vol 17, Issue 10, pN.PAG
- ISSN
0219-8878
- Publication type
Article
- DOI
10.1142/S0219887820501509