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Anti-motion

From Encyclopedia of Mathematics
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A transformation of a pseudo-Euclidean space which converts points at a real distance $a$ from each other into points at a purely-imaginary distance $a$. The motions and anti-motions of a pseudo-Euclidean space together form a group.

How to Cite This Entry:
Anti-motion. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Anti-motion&oldid=40023
This article was adapted from an original article by A.B. Ivanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article