<p>We give an explicit formula for the <i>p</i>-Frobenius number of triples associated with Diophantine equations <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1725_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="97" /> </InlineMediaObject> <EquationSource Format="TEX">\(x^2+3 y^2=z^3\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <mo>+</mo> <mn>3</mn> <msup> <mi>y</mi> <mn>2</mn> </msup> <mo>=</mo> <msup> <mi>z</mi> <mn>3</mn> </msup> </mrow> </math></EquationSource> </InlineEquation>, that is, the largest positive integer that can only be represented in at most <i>p</i> many ways by combining the three integers of the solutions of Diophantine equations <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13398_2025_1725_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="97" /> </InlineMediaObject> <EquationSource Format="TEX">\(x^2+3 y^2=z^3\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <mo>+</mo> <mn>3</mn> <msup> <mi>y</mi> <mn>2</mn> </msup> <mo>=</mo> <msup> <mi>z</mi> <mn>3</mn> </msup> </mrow> </math></EquationSource> </InlineEquation>.</p>

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Frobenius numbers associated with Diophantine triples of \(x^2+3 y^2=z^3\)

  • Takao Komatsu,
  • Tapas Chatterjee

摘要

We give an explicit formula for the p-Frobenius number of triples associated with Diophantine equations \(x^2+3 y^2=z^3\) x 2 + 3 y 2 = z 3 , that is, the largest positive integer that can only be represented in at most p many ways by combining the three integers of the solutions of Diophantine equations \(x^2+3 y^2=z^3\) x 2 + 3 y 2 = z 3 .