The shape of dark matter halos: A new fundamental cosmological invariance

Open Access

Fig. A.2

Median squared eccentricity as a function of mass (left), linear variance (middle), and nonlinear variance (right). After projecting all the halos onto the simulation (x, y) plane, we diagonalize the two-dimensional mass tensor of each projected halo. The median eccentricity is still invariant according to cosmology when expressed in $\log σ_{N L}^{- 1}$ $\[\log ~\sigma_{N L}^{-1}\]$ bins.

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