★-quasi-pseudometrics on algebraic structures

[EN] In this paper, we introduce some concepts of ★-(quasi)-pseudometric spaces, and give an example which shows that there is a ★-quasi-pseudometric space which is not a quasi-pseudometric space. We also study the conditions under which ★-quasi-pseudometric semitopological groups are paratopologica...

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Detalles Bibliográficos
Autores: He, Shi-Yao, Jin, Ying-Ying, Xie, Li-Hong
Tipo de recurso: artículo
Fecha de publicación:2023
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/199728
Acceso en línea:https://riunet.upv.es/handle/10251/199728
Access Level:acceso abierto
Palabra clave:Topological group
Paratopological groups
Topological semigroup
Invariant ★-(quasi-)pseudometric
Descripción
Sumario:[EN] In this paper, we introduce some concepts of ★-(quasi)-pseudometric spaces, and give an example which shows that there is a ★-quasi-pseudometric space which is not a quasi-pseudometric space. We also study the conditions under which ★-quasi-pseudometric semitopological groups are paratopological groups or topological groups.