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Homothetic maps of distinguishing space-times
Published online by Cambridge University Press: 17 April 2009
Abstract
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We show that if (M, g) is a distinguishing space-time, then any distance homothetic map from (M, g) onto arbitrary space-time (M′, g′) is a homothetic map; in particular, every distance preserving map is an isometry.
- Type
- Research Article
- Information
- Bulletin of the Australian Mathematical Society , Volume 42 , Issue 3 , December 1990 , pp. 483 - 486
- Copyright
- Copyright © Australian Mathematical Society 1990
References
[1]Beem, J.K., ‘Homothetic maps of the space-time distance function and differentiability’, Gen. Relativity Gravitation 9 (1978), 793–799.Google Scholar
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[4]Vyas, U.D. and Akolia, G.M., ‘Chronal isomorphism’, Gen. Relativity Gravitation 16 (1984), 1045–1051.Google Scholar
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