Constructions of L∞ Algebras and Their Field Theory Realizations

Autor: Olaf Hohm, Vladislav Kupriyanov, Dieter Lüst, Matthias Traube
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Advances in Mathematical Physics, Vol 2018 (2018)
Druh dokumentu: article
ISSN: 1687-9120
1687-9139
DOI: 10.1155/2018/9282905
Popis: We construct L∞ algebras for general “initial data” given by a vector space equipped with an antisymmetric bracket not necessarily satisfying the Jacobi identity. We prove that any such bracket can be extended to a 2-term L∞ algebra on a graded vector space of twice the dimension, with the 3-bracket being related to the Jacobiator. While these L∞ algebras always exist, they generally do not realize a nontrivial symmetry in a field theory. In order to define L∞ algebras with genuine field theory realizations, we prove the significantly more general theorem that if the Jacobiator takes values in the image of any linear map that defines an ideal there is a 3-term L∞ algebra with a generally nontrivial 4-bracket. We discuss special cases such as the commutator algebra of octonions, its contraction to the “R-flux algebra,” and the Courant algebroid.
Databáze: Directory of Open Access Journals
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