<p>In this article, we construct a family of elliptic curves <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq3.gif" Format="GIF" Height="21" Rendition="HTML" Resolution="72" Type="Linedraw" Width="197" /> </InlineMediaObject> <EquationSource Format="TEX">\(E^A: y^2 = (x + A)(x^2 + A^2)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msup> <mi>E</mi> <mi>A</mi> </msup> <mo>:</mo> <msup> <mi>y</mi> <mn>2</mn> </msup> <mo>=</mo> <mrow> <mo stretchy="false">(</mo> <mi>x</mi> <mo>+</mo> <mi>A</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mo stretchy="false">(</mo> <msup> <mi>x</mi> <mn>2</mn> </msup> <mo>+</mo> <msup> <mi>A</mi> <mn>2</mn> </msup> <mo stretchy="false">)</mo> </mrow> </mrow> </math></EquationSource> </InlineEquation> with one <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq4.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="10" /> </InlineMediaObject> <EquationSource Format="TEX">\(2\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mn>2</mn> </mrow> </math></EquationSource> </InlineEquation>-torsion point over <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq1.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\(\mathbb {Q}\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="double-struck">Q</mi> </math></EquationSource> </InlineEquation> and prove that there exist infinitely many square-free integers <InlineEquation ID="IEq6"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq6.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\( d \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>d</mi> </math></EquationSource> </InlineEquation> such that the rank of the quadratic twists of <InlineEquation ID="IEq7"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq7.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="26" /> </InlineMediaObject> <EquationSource Format="TEX">\( E^A \)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>E</mi> <mi>A</mi> </msup> </math></EquationSource> </InlineEquation> by <InlineEquation ID="IEq8"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq6.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\( d \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>d</mi> </math></EquationSource> </InlineEquation> is zero. This work is a generalization of the result of M. Xiong: [On positive proportion of rank-zero twists of elliptic curves over <InlineEquation ID="IEq9"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="40316_2025_253_Article_IEq9.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\({\mathbb {Q}}\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="double-struck">Q</mi> </math></EquationSource> </InlineEquation>, J Aust Math Soc 98:281–288, (2015)].</p>

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Rank-zero quadratic twists in families of elliptic curves with one rational parameter over \(\mathbb {Q}\)

  • Abhishek Juyal,
  • Mansi Tyagi

摘要

In this article, we construct a family of elliptic curves \(E^A: y^2 = (x + A)(x^2 + A^2)\) E A : y 2 = ( x + A ) ( x 2 + A 2 ) with one \(2\) 2 -torsion point over \(\mathbb {Q}\) Q and prove that there exist infinitely many square-free integers \( d \) d such that the rank of the quadratic twists of \( E^A \) E A by \( d \) d is zero. This work is a generalization of the result of M. Xiong: [On positive proportion of rank-zero twists of elliptic curves over \({\mathbb {Q}}\) Q , J Aust Math Soc 98:281–288, (2015)].