Ternary commutator

In mathematical physics, the ternary commutator is an additional ternary operation on a triple system defined by

$[a,b,c]=abc-acb-bac+bca+cab-cba.$

Also called the ternutator or alternating ternary sum, it is a special case of the n-commutator for n = 3, whereas the 2-commutator is the ordinary commutator.

Properties

• When one or more of a, b, c is equal to 0, [a, b, c] is also 0. This statement makes 0 the absorbing element of the ternary commutator.
  • The same happens when a = b = c.

Further reading

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