Fixed points and diametral sets for sequentially bounded mappings in orbital ultrametric spaces

Fixed points and diametral sets for sequentially bounded mappings in orbital ultrametric spaces

Abstract In this paper, the T -orbital ultrametric spaces are introduced and a fixed point theorem for sequentially bounded mappings is given. Our main result extends some known theorems for nonexpansive mappings. Examples are given to support our work.

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Detalles Bibliográficos
Autores principales: Babahmed,M., Amrani,A. El, Lazaiz,S.
Lenguaje:English
Publicado: Universidad Católica del Norte, Departamento de Matemáticas 2020
Materias:
Ultrametric spaces
T -orbital sets
T -dimetral sets
Fixed point
Sequentially bounded mappings
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172020000200481
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