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Larson-Penston Self-similar Gravitational Collapse (2011.01013v1)
Published 2 Nov 2020 in math.AP, math-ph, and math.MP
Abstract: Using numerical integration, in 1969 Penston [22] and Larson [17] independently discovered a self-similar solution describing the collapse of a self-gravitating asymptotically flat fluid with the isothermal equation of state $p=k\varrho$, $k>0$, and subject to Newtonian gravity. We rigorously prove the existence of such a Larson-Penston solution.
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