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The local discontinuous Galerkin (LDG) method is a promising emerging technology for discretizing a wide range of differential operators. It is well known that the robustness of this method is contingent upon a stabilization term. We analyze the role of this term in the LDG discretization of the Maxwell curl-curl operator, demonstrating that the stabilization parameter can be used to split the spectrum into two sections. The first set of eigenvalues approximate the spectrum of thedoi:10.1016/j.cma.2005.06.011 fatcat:vza2fzyx3jd4tbiyizvrt2ei74