<p>By using the notion of generalized pseudo-anti commuting Ricci tensor defined by <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq4.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="134" /> </InlineMediaObject> <EquationSource Format="TEX">\(\textrm{Ric} \phi + \phi \textrm{Ric} = f \phi \)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mtext>Ric</mtext> <mi>ϕ</mi> <mo>+</mo> <mi>ϕ</mi> <mtext>Ric</mtext> <mo>=</mo> <mi>f</mi> <mi>ϕ</mi> </mrow> </math></EquationSource> </InlineEquation> for real hypersurfaces in the complex quadric <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq5.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="174" /> </InlineMediaObject> <EquationSource Format="TEX">\(Q^m = SO_{m+2}/SO_2SO_m\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msup> <mi>Q</mi> <mi>m</mi> </msup> <mo>=</mo> <mi>S</mi> <msub> <mi>O</mi> <mrow> <mi>m</mi> <mo>+</mo> <mn>2</mn> </mrow> </msub> <mo stretchy="false">/</mo> <mi>S</mi> <msub> <mi>O</mi> <mn>2</mn> </msub> <mi>S</mi> <msub> <mi>O</mi> <mi>m</mi> </msub> </mrow> </math></EquationSource> </InlineEquation>, we give a complete classification of Hopf <InlineEquation ID="IEq6"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="35" /> </InlineMediaObject> <EquationSource Format="TEX">\(({\delta },{\epsilon })\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mo stretchy="false">(</mo> <mi>δ</mi> <mo>,</mo> <mi>ϵ</mi> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation><i>-Ricci-Bourguignon soliton</i> real hypersurfaces in the complex quadric <InlineEquation ID="IEq7"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq7.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="28" /> </InlineMediaObject> <EquationSource Format="TEX">\(Q^m\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>Q</mi> <mi>m</mi> </msup> </math></EquationSource> </InlineEquation>. Next, as an application, we show a complete classification of <i>gradient</i> <InlineEquation ID="IEq8"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="35" /> </InlineMediaObject> <EquationSource Format="TEX">\(({\delta },{\epsilon })\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mo stretchy="false">(</mo> <mi>δ</mi> <mo>,</mo> <mi>ϵ</mi> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation><i>-Ricci-Bourguignon soliton</i> on Hopf real hypersurfaces in the complex quadric <InlineEquation ID="IEq9"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1740_Article_IEq7.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="28" /> </InlineMediaObject> <EquationSource Format="TEX">\(Q^m\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>Q</mi> <mi>m</mi> </msup> </math></EquationSource> </InlineEquation> with isometric Reeb flow or contact hypersurfaces.</p>

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Real hypersurfaces with \(({\delta },{\epsilon })\)-Ricci-Bourguignon soliton and its gradient in the complex quadric

  • Young Jin Suh

摘要

By using the notion of generalized pseudo-anti commuting Ricci tensor defined by \(\textrm{Ric} \phi + \phi \textrm{Ric} = f \phi \) Ric ϕ + ϕ Ric = f ϕ for real hypersurfaces in the complex quadric \(Q^m = SO_{m+2}/SO_2SO_m\) Q m = S O m + 2 / S O 2 S O m , we give a complete classification of Hopf \(({\delta },{\epsilon })\) ( δ , ϵ ) -Ricci-Bourguignon soliton real hypersurfaces in the complex quadric \(Q^m\) Q m . Next, as an application, we show a complete classification of gradient \(({\delta },{\epsilon })\) ( δ , ϵ ) -Ricci-Bourguignon soliton on Hopf real hypersurfaces in the complex quadric \(Q^m\) Q m with isometric Reeb flow or contact hypersurfaces.