New posts in Lie Algebra

Relation between the Dirac Algebra and the Lorentz group

Why are the generators of rotation in the 4-dimensional Euclidean space correspond to rotations in a plane?

Lie group compactness from generators

Interpretation of the field strength tensor in Yang-Mills Theory

Lie Algebra Conventions: Hermitian vs. anti-Hermitian

Source of Ladder Operators

Inonu-Wigner Group Contraction

Invariance under boosts but not rotations?

Spin operators in QM

Is the adjoint representation of $SU(2)$ the same as the triplet representation?