<p>We consider the following fractional prescribed curvature problem <Equation ID="Equ1"> <EquationNumber>(0.1)</EquationNumber> <MediaObject> <ImageObject Color="BlackWhite" FileRef="10114_2025_3086_Article_Equ1.gif" Format="GIF" Height="22" Rendition="HTML" Resolution="72" Type="Linedraw" Width="282" /> </MediaObject> <EquationSource Format="TEX">\((-\Delta)^{s}u=K(y)u^{2_{s}^{*}-1}, \quad u&gt;0,\,y \in {\mathbb R}^{N},\)</EquationSource> <EquationSource Format="MATHML"><math display="block"> <mo stretchy="false">(</mo> <mo>−</mo> <mi mathvariant="normal">Δ</mi> <msup> <mo stretchy="false">)</mo> <mrow> <mi>s</mi> </mrow> </msup> <mi>u</mi> <mo>=</mo> <mi>K</mi> <mo stretchy="false">(</mo> <mi>y</mi> <mo stretchy="false">)</mo> <msup> <mi>u</mi> <mrow> <msubsup> <mn>2</mn> <mrow> <mi>s</mi> </mrow> <mrow> <mo>∗</mo> </mrow> </msubsup> <mo>−</mo> <mn>1</mn> </mrow> </msup> <mo>,</mo> <mspace width="1em" /> <mi>u</mi> <mo>&gt;</mo> <mn>0</mn> <mo>,</mo> <mspace width="thinmathspace" /> <mi>y</mi> <mo>∈</mo> <msup> <mrow> <mrow> <mi mathvariant="double-struck">R</mi> </mrow> </mrow> <mrow> <mi>N</mi> </mrow> </msup> <mo>,</mo> </math></EquationSource> </Equation> where <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10114_2025_3086_Article_IEq1.gif" Format="GIF" Height="22" Rendition="HTML" Resolution="72" Type="Linedraw" Width="69" /> </InlineMediaObject> <EquationSource Format="TEX">\(s \in (0,\, {1 \over 2})\)</EquationSource> <EquationSource Format="MATHML"><math display="block"> <mi>s</mi> <mo>∈</mo> <mo stretchy="false">(</mo> <mn>0</mn> <mo>,</mo> <mspace width="thinmathspace" /> <mrow> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <mo stretchy="false">)</mo> </math></EquationSource> </InlineEquation> for <i>N</i> = 3, <i>s</i> ∈ (0, 1) for <i>N</i> ≥ 4 and <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10114_2025_3086_Article_IEq2.gif" Format="GIF" Height="24" Rendition="HTML" Resolution="72" Type="Linedraw" Width="72" /> </InlineMediaObject> <EquationSource Format="TEX">\(2_{s}^{*}={2N \over N-2s}\)</EquationSource> <EquationSource Format="MATHML"><math display="block"> <msubsup> <mn>2</mn> <mrow> <mi>s</mi> </mrow> <mrow> <mo>∗</mo> </mrow> </msubsup> <mo>=</mo> <mrow> <mfrac> <mrow> <mn>2</mn> <mi>N</mi> </mrow> <mrow> <mi>N</mi> <mo>−</mo> <mn>2</mn> <mi>s</mi> </mrow> </mfrac> </mrow> </math></EquationSource> </InlineEquation> is the fractional critical Sobolev exponent, <i>K</i>(<i>y</i>) has a local maximum point in <i>r</i> ∈ (<i>r</i><sub>0</sub> − <i>δ</i>, <i>r</i><sub>0</sub> + <i>δ</i>). First, for any sufficient large <i>k</i>, we construct a 2<i>k</i> bubbling solution to (0.1) of some new type, which concentrates on an upper and lower surfaces of an oblate cylinder through the Lyapunov–Schmidt reduction method. Furthermore, a non-degeneracy result of the multi-bubbling solutions is proved by use of various Pohozaev identities, which is new in the study of the fractional problems.</p>

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Infinitely Many Bubbling Solutions and Non-Degeneracy Results to Fractional Prescribed Curvature Problems

  • Lixiu Duan,
  • Qing Guo

摘要

We consider the following fractional prescribed curvature problem (0.1) \((-\Delta)^{s}u=K(y)u^{2_{s}^{*}-1}, \quad u>0,\,y \in {\mathbb R}^{N},\) ( Δ ) s u = K ( y ) u 2 s 1 , u > 0 , y R N , where \(s \in (0,\, {1 \over 2})\) s ( 0 , 1 2 ) for N = 3, s ∈ (0, 1) for N ≥ 4 and \(2_{s}^{*}={2N \over N-2s}\) 2 s = 2 N N 2 s is the fractional critical Sobolev exponent, K(y) has a local maximum point in r ∈ (r0δ, r0 + δ). First, for any sufficient large k, we construct a 2k bubbling solution to (0.1) of some new type, which concentrates on an upper and lower surfaces of an oblate cylinder through the Lyapunov–Schmidt reduction method. Furthermore, a non-degeneracy result of the multi-bubbling solutions is proved by use of various Pohozaev identities, which is new in the study of the fractional problems.