The Alexandroff Duplicate and its subspaces

• Caserta, Agata ^[2] ; Watson, Stephen ^[1]
  1. [1] York University (Canadá)

     York University (Canadá)

     Canadá

     
  2. [2] Seconda Università degli Studi di Napoli
• Localización: Applied general topology, ISSN-e 1989-4147, ISSN 1576-9402, Vol. 8, Nº. 2, 2007, págs. 187-205
• Idioma: inglés
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• Resumen

  • We study some topological properties of the class of the Alexandroff duplicates and their subspaces. We give a characterization of metrizability and Lindel¨of properties of subspaces of the Alexandroff duplicate. This characterization clarifies the potential for finding Michael spaces among the subspaces of Alexandroff duplicates.