<p>In the present paper, we study uniqueness and nondegeneracy of positive solutions to the general Kirchhoff type equations <Equation ID="Equa"> <MediaObject> <ImageObject Color="BlackWhite" FileRef="10255_2023_1062_Article_Equa.gif" Format="GIF" Height="43" Rendition="HTML" Resolution="72" Type="Linedraw" Width="287" /> </MediaObject> <EquationSource Format="TEX">\(-M\left(\int_{\mathbb{R}^{N}}{\vert\nabla v\vert}^{2}dx\right)\Delta v=g(v) \quad {\rm in}\;{\mathbb{R}^{N}},\)</EquationSource> <EquationSource Format="MATHML"><math display="block"> <mo>−</mo> <mi>M</mi> <mrow> <mo stretchy="true">(</mo> <msub> <mo>∫</mo> <mrow> <msup> <mrow> <mi mathvariant="double-struck">R</mi> </mrow> <mrow> <mi>N</mi> </mrow> </msup> </mrow> </msub> <msup> <mrow> <mo fence="false" stretchy="false">∣</mo> <mi mathvariant="normal">∇</mi> <mi>v</mi> <mo fence="false" stretchy="false">∣</mo> </mrow> <mrow> <mn>2</mn> </mrow> </msup> <mi>d</mi> <mi>x</mi> <mo stretchy="true">)</mo> </mrow> <mi mathvariant="normal">Δ</mi> <mi>v</mi> <mo>=</mo> <mi>g</mi> <mo stretchy="false">(</mo> <mi>v</mi> <mo stretchy="false">)</mo> <mspace width="1em" /> <mrow> <mi mathvariant="normal">in</mi> </mrow> <mspace width="thickmathspace" /> <mrow> <msup> <mrow> <mi mathvariant="double-struck">R</mi> </mrow> <mrow> <mi>N</mi> </mrow> </msup> </mrow> <mo>,</mo> </math></EquationSource> </Equation> where <i>M</i>: [0, +∞) ↦ ℝ is a continuous function satisfying some suitable conditions and <i>v</i> ∈ <i>H</i><sup>1</sup>(ℝ<sup><i>N</i></sup>). Applying our results to the case <i>M</i>(<i>t</i>) = <i>at</i> + <i>b, a, b</i> &gt; 0, we make it clear all the positive solutions for all dimensions <i>N</i> ≥ 1. Our results can be viewed as a generalization of the corresponding results of Li et al. [JDE, 2020, 268, Section 1.2].</p>

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Uniqueness and Nondegeneracy of Positive Solutions of General Kirchhoff Type Equations

  • Yu-ting Kang,
  • Peng Luo,
  • Chang-lin Xiang,
  • Xue-xiu Zhong

摘要

In the present paper, we study uniqueness and nondegeneracy of positive solutions to the general Kirchhoff type equations \(-M\left(\int_{\mathbb{R}^{N}}{\vert\nabla v\vert}^{2}dx\right)\Delta v=g(v) \quad {\rm in}\;{\mathbb{R}^{N}},\) M ( R N v 2 d x ) Δ v = g ( v ) in R N , where M: [0, +∞) ↦ ℝ is a continuous function satisfying some suitable conditions and vH1(ℝN). Applying our results to the case M(t) = at + b, a, b > 0, we make it clear all the positive solutions for all dimensions N ≥ 1. Our results can be viewed as a generalization of the corresponding results of Li et al. [JDE, 2020, 268, Section 1.2].