Category:
Research Papers
Sub-Category:
Relativity Theory
Date Published:
March 24, 2026
Keywords:
principle of relativity, relativistic invariance, absolute time, proper time, preferred reference frame, energetic medium, kinematic reconstruction, finite propagation, anisotropy, time dilation, length contraction, relativistic Doppler effect
Abstract:
This work proposes a reinterpretation of the principle of relativity based on the hypothesis of a structuring energetic medium and an underlying absolute time. Rather than considering relativistic invariance as fundamental, we show that it can emerge from the constraints of finite propagation of interactions and from kinematic reconstruction mechanisms of signals. Within this framework, classical effects such as time dilation, length contraction, and the relativistic Doppler shift appear as effective consequences of indirect access to events, biased by the dynamics of the medium and the geometry of propagation.
The analysis highlights a coupling between relative velocities and directions of observation, producing an apparent invariance compatible with Lorentz transformations. This invariance does not reflect a fundamental symmetry of space-time, but results from an exact compensation between kinematic and geometric effects. The proposed formalism thus makes it possible to reconcile the existence of a preferred reference frame with relativistic observations.
Finally, this framework opens the way to identifying new experimental signatures, arising from subtle deviations from standard invariance in certain regimes. It offers an alternative perspective on the foundations of relativity, by re-embedding its effects within an underlying physical dynamics.
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