2 papers
math.FA2026
A Restatement of Fixed Point Existence: From Banach to Singh Contractions
Nicola Fabiano, Zouaoui Bekri
This paper presents a reformulation of classical existence and uniqueness results for second-order boundary value problems (BVPs). For Singh contractions, we allow to satisfy…
math.FA2025
Fixed Point Theory For Singh-Chatterjea Type Contractive Mappings
Zouaoui Bekri, Nicola Fabiano
In this paper, we introduce a new contraction condition that combines the framework of Singh's extension with the classical Chatterjea contraction. This generalized form, called th…