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Paper detail

The massless Einstein-Boltzmann system with a conformal-gauge singularity in an FLRW background

We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time existence in proper-time for small data as a corollary.

preprint2019arXivOpen access
Ho LeeErnesto NungesserPaul Tod
gr-qc
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Ho LeeErnesto NungesserPaul Tod

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