Quadruple Controlled Metric-Type Spaces with Fixed-Point Results and Applications to Boundary Value Problem

In this paper, we introduce a novel class of quadruple controlled metric-type spaces formulated in a four-dimensional setting. Within this framework, we extend the notion of a <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>Θ</mo></semantics></math></...

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Bibliographic Details

Main Authors:	Fatima M. Azmi, Suhad Subhi Aiady
Format:	Artigo
Language:	Inglês
Published:	MDPI AG 2026-06-01
Series:	Mathematics
Subjects:	fixed point quadruple controlled metric-type spaces <i>θ</i>-contraction mapping four-dimensional metric space controlled functions
Online Access:	https://www.mdpi.com/2227-7390/14/12/2165
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