Abstract
In Euclidean spaces of an arbitrary number n of dimensions metrics are defined which are invariant with respect to affine transformations of the coordinates. These metrics are closely related to non-Euclidean distances in spaces of negative constant curvature. Special cases are discussed. The logarithmic scale results for n=1. The case n=2 occurs in the solution of a colorimetric problem. The most important case n=3 is connected to the color space and to Luneburg’s geometry of the space of binocular vision.
© 1956 Optical Society of America
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A. Zajaczkowska
J. Opt. Soc. Am. 46(7) 514-527 (1956)
P. J. van Heerden
J. Opt. Soc. Am. 46(11) 1000-1000 (1956)
Günter Wyszecki
J. Opt. Soc. Am. 46(11) 982-986 (1956)