A bivector, also called a 2-vector, is an antisymmetric tensor of second rank (a.k.a. 2-form).

For a bivector ,

where is the wedge product (or outer product).

A bivector, also called a 2-vector, is an antisymmetric tensor of second rank (a.k.a. 2-form).

For a bivector ,

where is the wedge product (or outer product).

Weisstein, Eric W. "Bivector." From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Bivector.html