New posts in Group Theory

The physical (classical) significance of the spinor representation of an electron

Operational definition of rotation of particle

How do the properties of a Lie group (represented as a manifold) manifest in the metric tensor of that manifold?

Chirality of the Electromagnetic Field Tensor

Global conformal group in 2D Euclidean space

Why are $SU(2)$-generators interpreted as *spatial* components of spin?

Matrix derivative of a matrix with constraints

Group representations and active/passive transformations

Why are relativistic quantum field theories so much more restrictive than non-relativistic ones?

Confusion about rotations of quantum states: $SO(3)$ versus $SU(2)$