Which quantities are Lorentz-Invariable and which are not?
10109
What quantities are Lorenz-Invariant?
12136
Is temperature a Lorentz invariant in relativity?
105572
Independent Variables of a Lagrangian
54857
The wave equation in general relativity, special relativity, and Cartesian coordinates
65478
Operational definitions in Newtonian Physics
121494
Invariance, covariance and symmetry
61142
Is there any physics that cannot be expressed in terms of Lagrange equations?
38720
Is it possible to speak about changes in a physical constant which is not dimensionless?
9965
Deriving or justifying fundamental constants
125643
Infinities in Newtons law of gravity (for point particles)
145683
What, in simplest terms, is gauge invariance?
94433
Rigorous underpinnings of infinitesimals in physics
49682
What axiomatizations exist for special relativity?
54898
Does Noether's theorem also give rise to quantities conserved over space?
114454
Acceleration in special relativity
69423
Pure Lorentz boost; transpose $\neq$ inverse?
83917
How can I prove that the following Lagrangian is Lorentz-invariant iff the axionic field is a pseudoscalar?