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In this paper, we present the notion of  θ − ϕ − expansive mapping in complete rectangular metric spaces and study various fixed point theorems for such mappings. The presented theorems extend, generalize, and improve many existing results in the literature.

abstract and applied analysis

Fixed Point Theorems for Generalized<math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"><mi>θ</mi><mo>−</mo><mi>ϕ</mi><mo>−</mo></math>Expansive Mapping in Rectangular Metric Spaces

Fixed Point Theorems for Generalizedθ−ϕ−Expansive Mapping in Rectangular Metric Spaces

Fixed Point Theorems for Generalized $θ - ϕ -$ Expansive Mapping in Rectangular Metric Spaces