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On Borsík’s problem concerning quasiuniform limits of Darboux quasicontinuous functions. (English) Zbl 0837.26003
In 1992 J. Borsík [Math. Slovaca 42, No. 3, 269-274 (1992; Zbl 0752.26002)] proved that every cliquish function is a quasiuniform limit of a sequence of quasicontinuous functions and he formulated the problem: is every cliquish function a quasiuniform limit of a sequence of Darboux quasicontinuous functions? In this paper, the author gives the positive answer to this question.
Reviewer: R.Pawlak (Łódź)

26A15 Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable
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[1] BORSÍK J.: Quasiuniform limits of quasicontinuous functions. Math. Slovaca 42 (1992), 269-274. · Zbl 0752.26002
[2] NEUBRUNN T.: Quasi-continuity. Real Anal. Exchange 14 (1988-89), 259-306. · Zbl 0679.26003
[3] SIKORSKI R.: Real Functions I. (Polish), PWN, Warszawa, 1959.
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