منابع مشابه
Very Special Relativity in Curved Space-Times
The generalization of Cohen and Glashow’s Very Special Relativity to curved space-times is considered. Gauging the SIM(2) symmetry does not, in general, provide the coupling to the gravitational background. However, locally SIM(2) invariant Lagrangians can always be constructed. For space-times with SIM(2) holonomy, they describe chiral fermions propagating freely as massive particles.
متن کاملThe Asymptotic Structure of Algebraically Special Space – times
It is shown that the only vacuum algebraically special space-time that is asymptotically simple is Minkowski space. The structure of null infinity for algebraically special space-times satisfying a subset of the vacuum equations is shown to be particularly simple in terms of the coordinates used in Kerr's original reduction of the field equations. With the assumption of the existence of a globa...
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The standard 4-dimensional Minkowski space-time of special relativity is based on the 3-dimensional Euclidean metric. In 1967, H. Busemann showed that similar space-time models can be based on an arbitrary metric space. In this paper, we search for the broadest possible generalization of a metric under which a construction similar to Minkowski space-time leads to a physically reasonable space-t...
متن کامل" Some Kind of Hearing " *
It was particularly affecting to be invited to give the Owen J. Roberts lecture at this law school, of which my father-in-law, Chief Justice Horace Stern of Pennsylvania, was a distinguished graduate, a part-time teacher and a long-time trustee. The honor accorded me is even greater in that this is the hundredth anniversary of Justice Roberts' birth. Although I did not have the good fortune to ...
متن کاملSome Thoughts on Special
Here an introduction to Wesley’s neomechanics is presented. It is shown to produce some of the same results as Special Relativity but without both the mathematical and philosophical basis of that subject. As with other work in which results associated with General Relativity are obtained without recourse to the fundamental bases of that subject, so here too the preeminent place afforded Special...
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ژورنال
عنوان ژورنال: Hokkaido Mathematical Journal
سال: 1972
ISSN: 0385-4035
DOI: 10.14492/hokmj/1381759038