@misc{gfp_map_sl_2_c_to_lorentz,
  author = {{Groups for Physics}},
  title = {SL(2, C) → SO₀(1,3)},
  howpublished = {Groups for Physics reference},
  url = {https://groups.qft.org/atlas/maps/sl-2-c-to-lorentz/},
  version = {2026.11-workbench.4},
  note = {Research workbench IV; review status recorded on canonical page}
}