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- Title
Principal directions in a gravitational field.
- Authors
Watson, A. G. D.; Turnbull, H. W.
- Abstract
In a general metric space of four dimensions, with an interval given by , where – ds2 = gμνdxμdxν, where g = ║gμν║<0, we can choose locally galilean coordinates at any point. The initial directions of the axes can be fixed in an absolute fashion as the directions of the principal axes of the quadric Gμνdxμdxν = const., is the contracted Riemann-Christoffel tensor.
- Publication
Proceedings of the Edinburgh Mathematical Society, 1939, Vol 6, Issue 1, p12
- ISSN
0013-0915
- Publication type
Article
- DOI
10.1017/S001309150000849X