proper Lorentz transformation

proper Lorentz transformation

[′präp·ər ′lȯr·əns ‚tranz·fər‚mā·shən]
(relativity)
A Lorentz transformation which can be represented by a matrix whose determinant is +1.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.