Semicontinuous planar total preorders on non-separable metric spaces

We prove that every non-separable connected metric space can be endowed with a total preorder that is order-isomorphic to a nonrepresentable subset of the lexicographic plane and semicontinuous with respect to the metric topology.

Detalles Bibliográficos
Autores: Campión Arrastia, María Jesús, Candeal, Juan Carlos, Induráin Eraso, Esteban
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2009
País:España
Institución:Universidad Pública de Navarra
Repositorio:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/32054
Acceso en línea:https://hdl.handle.net/2454/32054
Access Level:acceso abierto
Palabra clave:Real-valued functions
Metric spaces
Semicontinuous total preorders
Representability
Descripción
Sumario:We prove that every non-separable connected metric space can be endowed with a total preorder that is order-isomorphic to a nonrepresentable subset of the lexicographic plane and semicontinuous with respect to the metric topology.