We present results based on a set of N-body/smoothed particle hydrodynamics simulations of isolated dwarf galaxies. The simulations take into account star formation, stellar feedback, radiative cooling and metal enrichment. The dark matter halo initially has a cusped profile, but, at least in these simulations, starting from idealized, spherically symmetric initial conditions, a natural conversion to a core is observed due to gas dynamics and stellar feedback.
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Cloet-Osselaer et al. (2012) studied this question.
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