<p>This work is devoted to the study of ground state solutions for <Equation ID="Equa"> <MediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2141_Article_Equa.gif" Format="GIF" Height="21" Rendition="HTML" Resolution="72" Type="Linedraw" Width="453" /> </MediaObject> <EquationSource Format="MATHML"><math> <mo>−</mo> <mtext>div</mtext> <mo stretchy="false">(</mo> <msup> <mtext>f</mtext> <mn>2</mn> </msup> <mo stretchy="false">(</mo> <mi>u</mi> <mo stretchy="false">)</mo> <mi mathvariant="normal">∇</mi> <mi>u</mi> <mo stretchy="false">)</mo> <mo>+</mo> <mtext>f</mtext> <mo stretchy="false">(</mo> <mi>u</mi> <mo stretchy="false">)</mo> <msup> <mtext>f</mtext> <mo>′</mo> </msup> <mo stretchy="false">(</mo> <mi>u</mi> <mo stretchy="false">)</mo> <mo stretchy="false">|</mo> <mi mathvariant="normal">∇</mi> <mi>u</mi> <msup> <mo stretchy="false">|</mo> <mn>2</mn> </msup> <mo>+</mo> <mi>λ</mi> <mi>V</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mi>u</mi> <mo>=</mo> <mi>Q</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mi>g</mi> <mo stretchy="false">(</mo> <mi>u</mi> <mo stretchy="false">)</mo> <mo>,</mo> <mspace width="0.2em" /> <mspace width="0.2em" /> <mi>x</mi> <mo>∈</mo> <msup> <mi mathvariant="double-struck">R</mi> <mn>2</mn> </msup> <mo>,</mo> </math></EquationSource> <EquationSource Format="TEX">\( -\text{div}(\text{f}^{2}(u)\nabla u)+\text{f}(u)\text{f}'(u)|\nabla u|^{2}+ \lambda V(x)u=Q(x)g(u),\,\, x\in {\mathbb{R}}^{2}, \)</EquationSource> </Equation> where <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2141_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="42" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <mi>λ</mi> <mo>≥</mo> <mn>1</mn> </math></EquationSource> <EquationSource Format="TEX">$\lambda \geq 1$</EquationSource> </InlineEquation>, <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2141_Article_IEq2.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="105" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <mi>Q</mi> <mo>,</mo> <mi>V</mi> <mo>:</mo> <msup> <mi mathvariant="double-struck">R</mi> <mn>2</mn> </msup> <mo stretchy="false">→</mo> <mi mathvariant="double-struck">R</mi> </math></EquationSource> <EquationSource Format="TEX">$Q,V: {\mathbb{R}}^{2}\rightarrow {\mathbb{R}}$</EquationSource> </InlineEquation> and <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2141_Article_IEq3.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="73" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <mi>g</mi> <mo>:</mo> <mi mathvariant="double-struck">R</mi> <mo stretchy="false">→</mo> <mi mathvariant="double-struck">R</mi> </math></EquationSource> <EquationSource Format="TEX">$g: {\mathbb{R}}\rightarrow {\mathbb{R}}$</EquationSource> </InlineEquation> is Trudinger-Moser type function. Additionally, the concentration behavior of the above ground state is also explored as <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2141_Article_IEq4.gif" Format="GIF" Height="15" Rendition="HTML" Resolution="72" Type="Linedraw" Width="70" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <mi>λ</mi> <mo stretchy="false">→</mo> <mo>+</mo> <mi mathvariant="normal">∞</mi> </math></EquationSource> <EquationSource Format="TEX">$\lambda \rightarrow +\infty $</EquationSource> </InlineEquation>.</p>

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Existence and concentration behavior of ground state solutions for generalized planar quasilinear Schrödinger equations with steep potential well

  • Xuequn Xu

摘要

This work is devoted to the study of ground state solutions for div ( f 2 ( u ) u ) + f ( u ) f ( u ) | u | 2 + λ V ( x ) u = Q ( x ) g ( u ) , x R 2 , \( -\text{div}(\text{f}^{2}(u)\nabla u)+\text{f}(u)\text{f}'(u)|\nabla u|^{2}+ \lambda V(x)u=Q(x)g(u),\,\, x\in {\mathbb{R}}^{2}, \) where λ 1 $\lambda \geq 1$ , Q , V : R 2 R $Q,V: {\mathbb{R}}^{2}\rightarrow {\mathbb{R}}$ and g : R R $g: {\mathbb{R}}\rightarrow {\mathbb{R}}$ is Trudinger-Moser type function. Additionally, the concentration behavior of the above ground state is also explored as λ + $\lambda \rightarrow +\infty $ .