Topic
Four-force
About: Four-force is a research topic. Over the lifetime, 3459 publications have been published within this topic receiving 87308 citations.
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01 Mar 1989
TL;DR: In this article, it was shown that the principles of the special relativity can be realized not only on the Minkowskian spacetime but also on the spacetimes of non-zero constant curvature.
Abstract: We show that Einstein's principles of the special relativity can be realized not only on the Minkowskian spacetime but also on the spacetimes of non-zero constant curvature.
13 citations
01 Jan 1994
TL;DR: In this article, the authors discuss the basis of the Lorentz transformations and find the complete set of theories empirically equivalent to the special theory of relativity under the assumption that the one-way velocity of light is not measurable.
Abstract: The purpose of this paper is twofold: (1) to discuss the basis of the Lorentz transformations showing that the invariance of the velocity of light has in them a role even more important than usually believed, and (2) to find the complete set of theories empirically equivalent to the special theory of relativity (STR) under the assumption that the one-way velocity of light is not measurable.
13 citations
TL;DR: In this paper, the authors consider the applicability of general relativity (GR) as a classical theory of gravity, by considering its applications to a variety of settings of physical interest as well as its relationship with real observations.
Abstract: We consider the domain of applicability of general relativity (GR), as a classical theory of gravity, by considering its applications to a variety of settings of physical interest as well as its relationship with real observations. We argue that, as it stands, GR is deficient whether it is treated as a microscopic or a macroscopic theory of gravity. We briefly discuss some recent attempts at removing this shortcoming through the construction of a macroscopic theory of gravity. We point out that such macroscopic extensions of GR are likely to be nonunique and involve non-Riemannian geometrical frameworks.
13 citations