On characterization of reflection and coreflection in categories

• Abujabal, Hamza A. S. ^[1] ; Zaidi, S. M. A. ^[2]
  1. [1] King Abdul Aziz University Hospital

     King Abdul Aziz University Hospital

     Arabia Saudí

     
  2. [2] Aligrah Muslim University.
• Localización: Proyecciones: Journal of Mathematics, ISSN 0716-0917, ISSN-e 0717-6279, Vol. 18, Nº. 2, 1999, págs. 175-182
• Idioma: inglés
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• Resumen

  • The main purpose of the present paper is to present a criteria of reflection and its dual through generalized pushout (GPO) and generalized pullback (GPB) structures. Several results related to reflective and coreflective subcategories are obtained.