Multiple Solutions for a Nonlinear Dirichlet Problem via - Mathematics
Multiple Solutions for a Nonlinear Dirichlet Problem via - Mathematics
Multiple Solutions for a Nonlinear Dirichlet Problem via - Mathematics
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Let λ1,λ2,λ3,... be the sequence of eigenvalues of −Δ in Ω with zero<br />
<strong>Dirichlet</strong> boundary condition.<br />
As it is well known, to solve (0.1) is equivalent to find critical points of the<br />
functional J : H 1 0<br />
where F(ξ) = � ξ<br />
0<br />
(Ω) → R defined by<br />
� �<br />
1<br />
J(u) =<br />
2 |∇u|2 �<br />
− F(u)<br />
f (s) ds.<br />
Ω<br />
MULTIPLE SOLUTIONS FOR A NONLINEAR DIRICHLET PROBLEM VIA MORSE INDEX – 5➲<br />
dx, (0.2)<br />
▲ ▲<br />
➲ ❏ ✘