Shukri Haxha1, Qefsere Doko Gjonbalaj2 1,2Faculty of Electrical and Computer Engineering
Department of Math.
University of Prishtina “Hasan Prishtina"
Prishtinë, 10 000 - KOSOVË
In this paper we define two types of functions of topological spaces: open functions and closed functions. In addition, we examine the relation of these functions among themselves and their relation with continuous functions. In the following, we study some properties of open and closed functions.
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References
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[3] C.K. Basu, B.M. Uzzal Afsan, M.K. Ghosh, A class of functions and separation axioms with respect to an operation, Hacettepe J. of Math. and Statist., 38, No 2 (2009), 103-118.
[4] Sh. Haxha, Q.D. Gjonbalaj, Operation in the product of topological spaces, International Journal of Applied Mathematics, 31, No 4 (2018), 661-672; doi:10.12732/ijam.v31i4.11.