| Contents |
| We consider the nonlinear elliptic equations, which contain
the unknown nonlinear term.
In this talk, we study the inverse bifurcation problems from
two points of view. Firstly, we determine the unknown nonlinear term
from the asymptotic behavior of the bifurcation diagrams of the equation.
Secondly, we establish the uniqueness
of the unknown term from the shape of the bifurcation diagrams.
For the direct problems, we discuss the global behavior of
the bifurcation diagrams. |
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