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Modified α-ψ-contractive mappings with applications

A study of generalized contractive conditions, fixed-point results, and applications to integral equations.

Question

How can α-ψ contractive conditions be modified to obtain stronger fixed-point theorems and then apply those results to concrete problems such as integral equations?

Method

The paper modifies the notions of α-admissible and α-ψ-contractive mappings and develops fixed-point theorems in complete metric spaces.

  • Define and modify the contractive structure
  • Prove fixed-point theorems
  • Examine examples and applications to integral equations

Mathematical core

The conceptual fixed-point form

Fixed-point form
T(x*)=x*

The equation above is the compact fixed-point form; the paper develops the contractive conditions needed to guarantee such a point.

Findings

The paper establishes new fixed-point theorems in complete metric spaces and shows how several earlier results follow as special cases. Examples and applications to integral equations are also given.

Why it matters

The useful pattern is methodological: define the structure precisely, derive a provable condition, and then transfer the result to a concrete problem. The same pattern appears in mathematical modeling and algorithm design.

Sources and evidence

Publisher / DOI

Fixed Point Theory and Applications, 2013.

Open source

Google Scholar

Peyman Salimi's research profile.

Open source

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