摘要
The existence and uniqueness of singular solutions decaying like r^-m(see (1.4)) of the equation △u+k∑i=1ci|x|liupi=0,x∈R^N are obtained, wheren≥3, ci 〉0, li〉-2, i=1,2,..,k, pi〉 1, i=l,2,-..,kandthe separation structure of singular solutions decaying like r^-(n-2) of eq. (0.1) are discussed. moreover, we obtain the explicit critical exponent ps (l) (see (1.9)).
The existence and uniqueness of singular solutions decaying like r^-m(see (1.4)) of the equation △u+k∑i=1ci|x|liupi=0,x∈R^N are obtained, wheren≥3, ci 〉0, li〉-2, i=1,2,..,k, pi〉 1, i=l,2,-..,kandthe separation structure of singular solutions decaying like r^-(n-2) of eq. (0.1) are discussed. moreover, we obtain the explicit critical exponent ps (l) (see (1.9)).
基金
Supported by the Natural Science Foundation of China(10901126)