Seven-dimensional cross product
In mathematics, the seven-dimensional cross product is a bilinear operation on vectors in seven-dimensional Euclidean space. It assigns to any two vectors a, b in R 7 {\displaystyle \mathbb {R} ^{7}} a vector a × b also in R 7 {\displaystyle \mathbb {R} ^{7}} .
Source: Wikipedia — Seven-dimensional cross product (CC BY-SA 4.0)