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Measurement of the Curvature in a Two-Dimensional Universe

  • E. P. Wigner
Chapter
Part of the The Scientific Papers book series (WIGNER, volume A / 3)

Abstract

The usual definition of the curvature of space involves concepts, such as the measurement of the metric tensor or parallel displacement, which have no direct physical counterpart. The question of obtaining the curvature of a two-dimensional space by means of measurements which are possible, at least in principle, is reviewed and a formula given before is corrected and generalized.

References

  1. 1.
    E. P. Wigner, Revs. Modern Phys. 29, 255 (1957). There are several points of contact between the last section of this article and the more elaborate investigation of F. A. E. Pirani, Acta Phys. Polon. 6, 389 (1956).Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1997

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  • E. P. Wigner

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