<p>In this article, we introduce a new class of non-expansive mappings which is partially more general than Condition <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="41478_2025_940_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="33" /> </InlineMediaObject> <EquationSource Format="TEX">\((C_\lambda )\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mo stretchy="false">(</mo> <msub> <mi>C</mi> <mi>λ</mi> </msub> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation>. We elucidate it by providing a discretized example of general nature. Afterwards, an analog of Condition (<i>E</i>) is provided in the form of a lemma before establishing some existence results. Next, a few convergence results follow in the context of an iteration scheme. Finally, an application to a certain kind of delay differential equations with a finite number of constant delays is discussed by providing the relevant theory and an illustrative example. This application lays a foundation in extending the existing literature on the applications of fixed point theory to delay differential equations by generalizing the result to hold for a finite number of delays instead of a single delay.</p>

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Intricacies of a new non-expansive mapping with an application to delay differential equations with finite constant delays

  • Mohammad Owais,
  • Ankush Chanda

摘要

In this article, we introduce a new class of non-expansive mappings which is partially more general than Condition \((C_\lambda )\) ( C λ ) . We elucidate it by providing a discretized example of general nature. Afterwards, an analog of Condition (E) is provided in the form of a lemma before establishing some existence results. Next, a few convergence results follow in the context of an iteration scheme. Finally, an application to a certain kind of delay differential equations with a finite number of constant delays is discussed by providing the relevant theory and an illustrative example. This application lays a foundation in extending the existing literature on the applications of fixed point theory to delay differential equations by generalizing the result to hold for a finite number of delays instead of a single delay.