2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/88806In (quant-ph/9911099 version 1) A. Moroz claims that the exponent $η$ from the local photon density of states near a band gap edge $ρ(ω) = K(\vec{r}) |ω_c - ω|^η$ varies strongly with the position in the crystal. We show that this is not the case and we demonstrate the error in his analysis.1 page, 1 figure, LaTeX in abstractQuantum Physicstext