Let 𝑋 be a metric spaces. Recently in [27] it was considered a new type of mappings 𝑇: 𝑋 → 𝑋 which can be characterized as mappings contracting perimeters of triangles. These mappings are defined ...
Fixed point theory is a central topic in functional analysis that examines conditions under which a mapping in a Banach space admits points that remain invariant under the transformation. Particularly ...
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