Figure 2. A comparison of $\xi =-{\mathfrak{Z}}/(\alpha {\mathfrak{D}})$ versus N (starting with N = 1) for various ϵ given in the plot legend. With increasing N the dependence on ϵ gets suppressed. For $N\to \infty $ we approach the Lorentzian case, i.e. $\delta =\xi \check{\gamma }\to 0$ (since $\xi \to 0$) and $\check{\gamma }\to 1$.
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