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Fig. 3.

image

N-body simulations showing the formation of a non-cuspy dark matter halo from an initially motionless particle distribution of 45 000 negative masses (in purple), that surround a Hernquist-model galaxy of 5000 positive masses (in yellow). Both the initial (top panel) and the final (bottom panel) time-steps are shown. An animated video from this simulation is available online.

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