Ahmadi Zand, Mohammad Reza; Khosravi, Zahra(Universitat Politècnica de València, 2021-04-01)
[EN] Let X be an arbitrary topological space. F(X) denotes the set of all real-valued functions on X and C(X)F denotes the set of all f ∈ F(X) such that f is discontinuous at most on a finite set. It is proved that if r ...