Espais essencialment TDD, TF, TY, TYS i TL.

• Autores: Rafael Lledó, Josep Guia i Marín
• Localización: Stochastica: revista de matemática pura y aplicada, ISSN 0210-7821, Vol. 7, Nº. 3, 1983, págs. 209-216
• Idioma: francés
• Títulos paralelos:
  • Espacios esencialmente TDD, TF, TY, TYS y TL.
  • Spaces essentially TDD, TF, TY, TYS and TL.
• Enlaces
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• Resumen

  • In this paper, by means of the essential derived operator, the classes of topological spaces whose T0 identification spaces are TDD, TF, TY or TL are characterized. This classes are related with the classes of essentially-T1-spaces (R0 spaces), essentially-TD-spaces and essentially-TUD-spaces, already known.

    In this way, we introduce several axioms more general than the axioms between T1 and T0 defined by Aull and Thron, all of them weaker than R0.