Abstract
We study the porous medium equation on manifolds with conical singularities. Given strictly positive initial values, we show that the solution exists in the maximal Lq-regularity space for all times and is instantaneously smooth in space and time, where the maximal Lq-regularity is obtained in the sense of Mellin–Sobolev spaces. Moreover, we obtain precise information concerning the asymptotic behavior of the solution close to the singularity. Finally, we show the existence of generalized solutions for non-negative initial data.
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