邓引斌; 杨芬
Deng Yinbin; Yang Fen
摘要: This article is contributed to the Cauchy problem
{\D∂u∂t=Δu+K(|x|)up in Rn×(0,T),u(x,0)=φ(x) in Rn;
with initial function φ≢0. The stability of positive radial steady state, which are positive solutions of △u+K( | x|)up=0, is obtained when p is critical for general K(|x|).
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