Anti-Lie triple system

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A triple system is a vector space over a field together with a -trilinear mapping . A triple system satisfying


for all , is called an anti-Lie triple system.

If instead of (a1) one has , a Lie triple system is obtained.

Assume that is an anti-Lie triple system and that is the Lie algebra of derivations of containing the inner derivation defined by . Consider with and , and with product given by , , for , (). Then the definition of anti-Lie triple system implies that is a Lie superalgebra (cf. also Lie algebra). Hence is an ideal of the Lie superalgebra . One denotes by and calls it the standard embedding Lie superalgebra of . This concept is useful to obtain a construction of Lie superalgebras as well as a construction of Lie algebras from Lie triple systems.


[a1] J.R. Faulkner, J.C. Ferrar, "Simple anti-Jordan pairs" Commun. Algebra , 8 (1980) pp. 993–1013
[a2] N. Kamiya, "A construction of anti-Lie triple systems from a class of triple systems" Memoirs Fac. Sci. Shimane Univ. , 22 (1988) pp. 51–62
How to Cite This Entry:
Anti-Lie triple system. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by Noriaki Kamiya (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article