We first describe all positive bounded solutions of where amstex (y,s)∈ RN× R, 1 < p, and (N − 2)p ≤ N + 2. We then obtain for blowup solutions u(t) of uniform estimates at the blowup time and uniform space-time comparison with solutions of u′ = up.
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Merle et al. (1998) studied this question.