Can Noether's theorem be applied to cyclic time symmetries?
13312
Is there something similar to Noether's theorem for discrete symmetries?
151199
Is there a formulation of Noether’s theorem for the path integral formalism?
83672
Time dilation in a gravitational field and the equivalence principle
95561
Gravitational waves and time
105660
Invariance of action $\Rightarrow$ covariance of field equations?
82624
"Newtonian limit" property of special relativity
102963
What sort of experiment would directly test time reversal invariance?
34400
Special Relativity - Regarding the Simultaneity of Events During the Train Paradox
108062
How can we prove charge invariance under Lorentz Transformation?
72721
Do an action and its Euler-Lagrange equations have the same symmetries?
13644
Is the change in the Lagrangian always a total derivative for symmetry transformations of the action?
61070
Lorentz invariance of the integration measure
89479
Galilean invariance of a subset of Maxwell equations
137834
Distance in relativistic circular motion in invariant spacetime
22024
How to prove that orthochronous Lorentz transformations $O^+(1,3)$ form a group?
4132
What is the closest general-relativistic equivalent of a "time slice"?
60436
How are symmetries precisely defined?