Robuta

https://maplesoft.com/support/help/Maple/view.aspx?path=DifferentialGeometry%2FTensor%2FNullVector NullVector - Maple Help Tensor[NullVector] - construct a null vector from a solder form and a rank 1 spinor Calling Sequences NullVector( , ) NullVector( , , ) Parameters - a... maplehelp