Special Session 28: Qualitative theory of nonlinear elliptic and parabolic equations

Nodal solutions for the Moore-Nehari differential equation

Ryuji Kajikiya
Osaka Electro-Communication University
Japan
Co-Author(s):    
Abstract:
We study the Moore-Nehari differential equation. For a nonnegative integer $n$, we call a solution $u$ an $n$-nodal solution if it has exactly $n$ zeros in $(-1,1)$. We call a solution $u$ symmetric if it is even or odd. We shall show that for each nonnegative integer $n$, the equation has a unique $n$-nodal symmetric solution. We call a solution $u$ an $(m,n)$ solution if it has exactly $m$ zeros in $(-1,0)$ and exactly $n$ zeros in $(0,1)$. We shall prove that for each nonnegative integers $m, n$, the equation has an $(m,n)$-solution and an $(m,m)$-asymmetric solution.