An object is *scale invariant* if it is preserved by global rescaling of length. An object is *conformally invariant* if it is preserved by transformations that preserve angles, hence by *local* rescaling of length.

- Yu Nakayama,
*Scale invariance vs conformal invariance*(arXiv:1302.0884)

Last revised on May 15, 2017 at 14:32:09. See the history of this page for a list of all contributions to it.