Lorentz group

(redirected from Orthochronous)

Lorentz group

[′lȯr‚ens ‚grüp]
(mathematics)
The group of all Lorentz transformations of euclidean four-space with composition as the operation.
References in periodicals archive ?
This completes the (reciprocity-free) derivation of the proper orthochronous simple Lorentz transformations based on Einstein's light postulate PCL and weak-PR and isotropy: