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2007/2008 Points of Continuity, Quasicontinuity, Cliquishness, and Upper and Lower Quasicontinuity
Ján Borsík
Real Anal. Exchange 33(2): 339-350 (2007/2008).

Abstract

The quadruplet $(C(f), Q(f), E(f), A(f))$ is characterized, where $C(f)$, $Q(f)$, $E(f)$ and $A(f)$ are the sets of all continuity, quasicontinuity, upper and lower quasicontinuity and cliquishness points of a real function $f$ of real variable, respectively.

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Ján Borsík. "Points of Continuity, Quasicontinuity, Cliquishness, and Upper and Lower Quasicontinuity." Real Anal. Exchange 33 (2) 339 - 350, 2007/2008.

Information

Published: 2007/2008
First available in Project Euclid: 18 December 2008

zbMATH: 1162.54003
MathSciNet: MR2458251

Subjects:
Primary: 26A15
Secondary: 54C08 , ‎54C30

Keywords: Cliquishness , continuity , Quasicontinuity , upper and lower quasicontinuity

Rights: Copyright © 2007 Michigan State University Press

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