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From Lorentz to $SIM(2)$: contraction, four-dimensional algebraic relations and projective representations https://arxiv.org/abs/2504.13306 #mathph #mathMP #hepth
From Lorentz to $SIM(2)$: contraction, four-dimensional algebraic relations and projective representations https://arxiv.org/abs/2504.13306 #mathph #mathMP #hepth