Covariance vs. Invariance: Difference between revisions
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Latest revision as of 09:22, 21 July 2026
| Scientific Paper | |
|---|---|
| Title | Covariance vs. Invariance |
| Author(s) | Thomas E Phipps |
| Keywords | Covariance, invariance, Lorentz covariance, Lorentz invariance, Hertzian electromagnetism, twin paradox, relativity theory, collective time, Global Positioning System |
| Published | 2009 |
| Journal | Galilean Electrodynamics |
| Volume | 20 |
| Number | 1 |
| Pages | 3-11 |
Abstract
Definitions of invariance and covariance are offered and a non-Einsteinian variety of physics (developed in Ref. 12) is sketched. This employs an invariant covering theory of Maxwell's equations due to Hertz, as well as a ?collective time' patterned upon the clock running-rate correction methods of the Global Positioning System. In this alternative physics invariance plays the same central role that covariance plays in Einstein's physics. Because of its fundamental importance in all relativity criticism, the twin paradox is also discussed.