We continue to study the degenerate parabolic equation derived from the kinetic theory using Rényi-Tsallis' entropy. The finiteness of type II blowup points and several structures of the blowup set are shown for the critical exponent case.
"Degenerate parabolic equation with critical exponent derived from the kinetic theory, IV, structure of the blowup set." Adv. Differential Equations 15 (9/10) 853 - 892, September/October 2010.