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Scalar concomitants of a system of vectors in pseudo-Euclidean geometry of index 1. (English) Zbl 0966.53012
In a pseudo-Euclidean $$n$$-dimensional space of index 1 every scalar concomitant of a system of $$m$$ linearly independent vectors may be expressed by means of their mutual pseudo-scalar products.

##### MSC:
 53A55 Differential invariants (local theory), geometric objects 51B20 Minkowski geometries in nonlinear incidence geometry
##### Keywords:
geometrical object; scalar; covector; concomitant; signature