Abstract
Brane gas cosmology provides a dynamical decompactification mechanism that couldaccount for the number of spacetime dimensions we observe today. In this work we discussthis scenario taking into account the full bosonic sector of eleven-dimensional supergravity.We find new cosmological solutions that can dynamically explain the existence of threelarge spatial dimensions characterized by a universal asymptotic scaling behaviour and alarge number of initially unwrapped dimensions. This type of solutions enlarges thepossible initial conditions of the Universe in the Hagedorn phase and consequently canpotentially increase the probability of dynamical decompactification from anisotropicallywrapped backgrounds.
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