How are symmetries defined mathematically?
60436
How are symmetries precisely defined?
51282
When are two fermions considered identical?
105660
Invariance of action $\Rightarrow$ covariance of field equations?
155597
Why closed in the definition of a symplectic structure?
25257
How to see if certain representation of $SU(2)$ is symmetric/antisymmetric/mixed?
155492
Exercise on local and global symmetry for a given Lagrangian density
9565
Is there an easy way to show which spheres can be Lie groups?
19386
Geometric interpretation of Electromagnetism
79223
Doesn't symmetry and transitivity imply reflexitivity?
59313
What symmetry causes the Runge-Lenz vector to be conserved?
145683
What, in simplest terms, is gauge invariance?
83717
What is the definition of a symmetric distribution?
124933
Isometry group question
120811
What does "isomorphic" mean in linear algebra?
22024
How to prove that orthochronous Lorentz transformations $O^+(1,3)$ form a group?
98303
Ward identity derived from global symmetry and SDE, different from that derived from gauge symmetry?
153903
Symmetry condition for continuous coordinate transformations