Sympy-exact witness of the GW-EM arrival-time coincidence in the v_gw = c limit. Setup: Δt = d·(1/v_gw − 1/c) as a three-symbol function. Identity: at v_gw = c, Δt = d·(1/c − 1/c) = 0 — the GR prediction of exact gravitational-wave /…
Sympy-exact witness of the GW-EM arrival-time coincidence in the v_gw = c limit. Setup: Δt = d·(1/v_gw − 1/c) as a three-symbol function. Identity: at v_gw = c, Δt = d·(1/c − 1/c) = 0 — the GR prediction of exact gravitational-wave /…