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Introduction to the theory of relativity
01 Jan 1946-
About: The article was published on 1946-01-01 and is currently open access. It has received 554 citations till now. The article focuses on the topics: Theory of relativity.
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TL;DR: Extended Theories of Gravity as discussed by the authors can be considered as a new paradigm to cure shortcomings of General Relativity at infrared and ultraviolet scales, which is an approach that, by preserving the undoubtedly positive results of Einstein's theory, is aimed to address conceptual and experimental problems recently emerged in astrophysics, cosmology and High Energy Physics.
2,776Â citations
TL;DR: In this article, the authors present explicit models for a symmetry breakdown in the cases of the Weyl (or homothetic) group, the SL(4, R), or the GL(4-R) covering subgroup.
1,474Â citations
TL;DR: In this article, a method for the derivation of the equations of motion of test particles in a given gravitational field is developed, where the transformation properties are discussed and the equation of motion is written in a covariant form.
Abstract: A method for the derivation of the equations of motion of test particles in a given gravitational field is developed. The equations of motion of spinning test particles are derived. The transformation properties are discussed and the equations of motion are written in a covariant form.
985Â citations
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TL;DR: In this paper, the authors discuss the cosmological and astrophysical implications of extra dimensions, and conclude that none of the three approaches can be ruled out on observational grounds at the present time.
929Â citations