<p>In this paper, we investigate the existence and uniqueness of solutions for Caputo–Hadamard pantograph fractional differential equations with boundary conditions in <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2054_Article_IEq2.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="19" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <msup> <mi mathvariant="fraktur">L</mi> <mi mathvariant="sans-serif">p</mi> </msup> </math></EquationSource> <EquationSource Format="TEX">$\mathfrak{L}^{\mathsf{p}}$</EquationSource> </InlineEquation>-spaces, by applying fixed-point theorems in <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13661_2025_2054_Article_IEq3.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="19" /> </InlineMediaObject> <EquationSource Format="MATHML"><math> <msup> <mi mathvariant="fraktur">L</mi> <mi mathvariant="sans-serif">p</mi> </msup> </math></EquationSource> <EquationSource Format="TEX">$\mathfrak{L}^{\mathsf{p}}$</EquationSource> </InlineEquation>-spaces to prove existence and uniqueness. Stability is analyzed through the Ulam–Hyers stability and Ulam–Hyers–Rassias stability, offering key insights into the reliability of the system. Practical examples are also provided for illustration.</p>

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A novel approach to Caputo–Hadamard pantograph problems in \(\mathfrak{L}^{\mathsf{p}}\)-spaces

  • Gunaseelan Mani,
  • Purushothaman Ganesh,
  • Kokila Kannan,
  • Maryam Ali Alghafli,
  • Nabil Mlaiki

摘要

In this paper, we investigate the existence and uniqueness of solutions for Caputo–Hadamard pantograph fractional differential equations with boundary conditions in L p $\mathfrak{L}^{\mathsf{p}}$ -spaces, by applying fixed-point theorems in L p $\mathfrak{L}^{\mathsf{p}}$ -spaces to prove existence and uniqueness. Stability is analyzed through the Ulam–Hyers stability and Ulam–Hyers–Rassias stability, offering key insights into the reliability of the system. Practical examples are also provided for illustration.