<p>Given a real Banach space <i>X</i>, we show that the Nehari manifold method can be applied to functionals which are <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="526_2024_2913_Article_IEq3.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="21" /> </InlineMediaObject> <EquationSource Format="TEX">\(C^1\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>C</mi> <mn>1</mn> </msup> </math></EquationSource> </InlineEquation> in <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="526_2024_2913_Article_IEq4.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="54" /> </InlineMediaObject> <EquationSource Format="TEX">\(X {\setminus } \{0\}\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>X</mi> <mo lspace="0.15em" rspace="0.15em" stretchy="false">\</mo> <mo stretchy="false">{</mo> <mn>0</mn> <mo stretchy="false">}</mo> </mrow> </math></EquationSource> </InlineEquation>. In particular we deal with functionals that can be unbounded near 0, and prove the existence of a ground state and infinitely many critical points for such functionals. These results are then applied to three classes of problems: the <i>prescribed energy problem</i> for a family of functionals depending on a parameter, problems involving the <i>affine</i> <i>p</i>-Laplacian operator, and degenerate Kirchhoff type problems.</p>

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Some applications of the Nehari manifold method to functionals in \(C^1(X \setminus \{0\})\)

  • Edir Júnior Ferreira Leite,
  • Humberto Ramos Quoirin,
  • Kaye Silva

摘要

Given a real Banach space X, we show that the Nehari manifold method can be applied to functionals which are \(C^1\) C 1 in \(X {\setminus } \{0\}\) X \ { 0 } . In particular we deal with functionals that can be unbounded near 0, and prove the existence of a ground state and infinitely many critical points for such functionals. These results are then applied to three classes of problems: the prescribed energy problem for a family of functionals depending on a parameter, problems involving the affine p-Laplacian operator, and degenerate Kirchhoff type problems.