Some results and examples concerning Whyburn spaces

[EN] We prove some cardinal inequalities valid in the classes of Whyburn and hereditarily weakly Whyburn spaces and we construct examples of non-Whyburn and non-weakly Whyburn spaces to illustrate that some previously known results cannot be generalized.

Detalles Bibliográficos
Autores: Alas, Ofelia T., Madriz-Mendoza, Maira, Wilson, Richard G.
Tipo de recurso: artículo
Fecha de publicación:2012
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:10251/87175
Acceso en línea:https://riunet.upv.es/handle/10251/87175
Access Level:acceso abierto
Palabra clave:Whyburn space
Weakly Whyburn space
Submaximal space
Scattered space
Semiregular
Feebly compact
Descripción
Sumario:[EN] We prove some cardinal inequalities valid in the classes of Whyburn and hereditarily weakly Whyburn spaces and we construct examples of non-Whyburn and non-weakly Whyburn spaces to illustrate that some previously known results cannot be generalized.