On Linear Connections
نویسندگان
چکیده
منابع مشابه
Linear Connections on Graphs
In recent years, discrete spaces such as graphs attract much attention as models for physical spacetime or as models for testing the spirit of non-commutative geometry. In this work, we construct the differential algebras for graphs by extending the work of Dimakis et al and discuss linear connections and curvatures on graphs. Especially, we calculate connections and curvatures explicitly for t...
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It is well-known that a torsion-free linear connection on a light-like manifold (M,g) compatible with the degenerate metric g exists if and only if Rad(TM) is a Killing distribution. In case of existence, there is an infinitude of connections with none distinguished. We propose a method to single out connections with the help of a special set of 1-forms by the condition that the 1-forms become ...
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ژورنال
عنوان ژورنال: Transactions of the American Mathematical Society
سال: 1931
ISSN: 0002-9947
DOI: 10.2307/1989466