Abstract
Cartan’s equations of structure and Bianchi identities in the U 4 theory of gravitation are derived. The relativistic language we adopted is that of Newman-Penrose-Jogia and Griffiths (NPJG). A number of important properties which arise in the development of basic equations are also presented in the NPJG formalism. It is hoped that the essence of non-Riemannian geometry can be summarized by exploiting these equations.
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References
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Katkar, L.N. Structure Equations in the U 4 Theory of Gravitation. Int J Theor Phys 48, 874–884 (2009). https://doi.org/10.1007/s10773-008-9860-5
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DOI: https://doi.org/10.1007/s10773-008-9860-5