利用分歧理论和连续方法,研究一类定义在单位球上的超线性摄动偏微分方程正解的精确个数,并且得到解的整体分歧图象.
Using bifurcation theory and the continuation method, we study the exact multiplicity of positive solutions of a class of perturbed superlinear partial differential equations. We obtain a global bifurcation diagram of the solutions.