摘要： In this paper we discuss the uniqueness of ground state solutions of the problem
△u+f(u)=0 in Rn
u(x)-0 as|x|→∞,
where n>2, f(u) satisfies some conditions which ensure the existence of a ground state solution.
张立群. UNIQUENESS OF GROUND STATE SOLUTIONS[J]. 数学物理学报(英文版), 1988, 8(4): 449-467.
Zhang Liqun. UNIQUENESS OF GROUND STATE SOLUTIONS[J]. Acta mathematica scientia,Series B, 1988, 8(4): 449-467.