On a Characterization of W-Sets

• Autores: Jonathan Hatch
• Localización: Houston journal of mathematics, ISSN 0362-1588, Vol. 30, Nº 4, 2004, págs. 1089-1102
• Idioma: inglés
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• Resumen

  • A proper subcontinuum H of a continuum X is said to be a W-set provided for each continuous surjective function f from a continuum Y onto X, there exists a subcontinuum C of Y that maps entirely onto H. Descriptions, definitions, and results concerning two new types of W-sets are given, as well as a new characterization of W-sets.