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Multiple Solutions for a Nonlinear Dirichlet Problem via - Mathematics

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Sketch of the Proof of Theorem A:<br />

Because of (f1), u1 ≡ 0 is a strict local minimum of J, so<br />

dloc(∇J,u1) = 1.<br />

MULTIPLE SOLUTIONS FOR A NONLINEAR DIRICHLET PROBLEM VIA MORSE INDEX – 16➲<br />

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➲ ❏ ✘

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