Abstract
We consider radial solutions blowing up in infinite time to a parabolic–elliptic system in N -dimensional Euclidean space. The system was introduced to describe the gravitational interaction of particles. In the case where N ≥ 2 , we can find positive and radial solutions blowing up in finite time. In the present paper, in the case where N ≥ 11 , we find positive and radial solutions blowing up in infinite time and investigate those blowup speeds, by using the so-called asymptotic matched expansion techniques and parabolic regularity.
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