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Proyecciones (Antofagasta)

Print version ISSN 0716-0917

Proyecciones (Antofagasta) vol.39 no.5 Antofagasta  2020 


Bioperation approach to Przemski’s decomposition theorems

1Corporación Universitaria del Caribe-CECAR, Sincelejo, Colombia. e-mail:

2Rajah Serfoji Government College (Autonomous). Dept. of Mathematics, Namakkal, TN, India. e-mail:

3Rajah Serfoji Government College (Autonomous). Department of Mathematics, Namakkal, TN, India. e-mail:

4Universidad de la Costa, Dept. de Ciencias Naturales y Exactas, Barranquilla, Colombia. e-mail:


Przemski introduced D(α, s)-set, D(α, b)-set, D(p, sp)-set, D(p, b)- set and D(b, sp)-set to obtain several decompositions of continuity. In this paper, we extend these sets via bioperation and obtain new decompositions of continuity.

Keywords: Topological spaces; γ ∨ γ’-open set

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Received: July 31, 2019; Accepted: November 30, 2019

Creative Commons License This is an open-access article distributed under the terms of the Creative Commons Attribution License