Physics models using (non-lorentzian) Indefinite metrics
32625
More than one time dimension
137834
Distance in relativistic circular motion in invariant spacetime
122357
Discreteness of Spacetime and Violation of Lorentz symmetry
67357
Geodesics equations via variational principle
23243
Extended Rigid Bodies in Special Relativity
46050
How to describe arbitrary accelerations in special relativity
64727
Total time derivatives and partial coordinate derivatives in classical mechanics
17588
Can Lagrangian be thought of as a metric?
89479
Galilean invariance of a subset of Maxwell equations
9457
Compact Lie group bi-invariant metric
114172
Derivation of Hamilton-Jacobi theory using canonical transformations
5266
Resource Recommendations: General relativity, local tetrads and particle physics
130166
Equivalece of the geodesic equation and the continuity equation for the energy-momentum tensor
59422
Gravity in other than 3 spatial dimensions and stable orbits
51644
Differential Equations for Physicists
43343
How to derive addition of velocities without the Lorentz transformation?
258
Existence of orthogonal coordinates on a Riemannian manifold