Abstract
We introduce a physically important object, called the horizon function, in the study of geodesic collapse. It is closely related to the stellar characteristics and satisfies a simple Riccati equation. This equation is integrated and all of its solutions are found in terms of some generating function. Previous solutions are regained and further investigated.
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Ivanov, B.V. All solutions for geodesic anisotropic spherical collapse with shear and heat radiation. Astrophys Space Sci 361, 18 (2016). https://doi.org/10.1007/s10509-015-2603-1
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DOI: https://doi.org/10.1007/s10509-015-2603-1