New topologies between the usual and Niemytzki

• Alqahtani, Maha Saeed ; Abuzaid, Dina ^[1] ; Kalantan, Lutfi ^[1]
  1. [1] King Abdulaziz University

     King Abdulaziz University

     Arabia Saudí

     
• Localización: Applied general topology, ISSN-e 1989-4147, ISSN 1576-9402, Vol. 21, Nº. 1, 2020, págs. 71-79
• Idioma: inglés
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• Resumen

  • We use the technique of Hattori to generate new topologies on the closed upper half plane which lie between the usual metric topology and the  Niemytzki topology. We study some of their fundamental properties and weaker versions of normality.