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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
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