A theorem of Caristi-Kirk type for b-metric spaces
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https://riunet.upv.es/handle/10251/221702
Cita bibliográfica
Romaguera Bonilla, Salvador (2024). A theorem of Caristi-Kirk type for b-metric spaces. Fixed Point Theory. 25(1):371-378. https://doi.org/10.24193/fpt-ro.2025.1.23
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[EN] The renowned Caristi-Kirk theorem states that a metric space is complete if and only if every Caristi mapping on it has a fixed point. In this note we extend this result to the setting of b -metric spaces.
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Fixed Point Theory issn: 1583-5022