New posts in Lorentz Symmetry

Are the matrix elements of $S$-matrix Lorentz invariant?

Is the spacetime interval a tensor?

Spinor Understanding: QFT vs pure Representation Theory

As $SL(2,\mathbb{C})$ is a double cover of the Lorentz group, is $SL(2,\mathbb{Z})$ a discrete subgroup of the Lorentz group?

Is the ADM Mass for a boosted black hole $M$ or $\gamma M$?

When to apply Lorentz transformations and laws of time dilations and length contractions: explanations

Lorentz invariance of Maxwell's equations in matter

Invariance of $ds^2$ from invariance of all null intervals

Is Lorentz transform a tensor?

Weyl spinor representations and the Lorentz group