Conditions for continuity of certain open monotone functions

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Continuity of Monotone Functions

Two refractory problems in modern constructive analysis concern real-valued functions on the closed unit interval: Is every function pointwise continuous? Is every pointwise continuous function uniformly continuous? For monotone functions, some answers are given here. Functions which satisfy a certain strong monotonicity condition, and approximate intermediate values, are pointwise continuous. ...

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ژورنال

عنوان ژورنال: Proceedings of the American Mathematical Society

سال: 1971

ISSN: 0002-9939

DOI: 10.1090/s0002-9939-1971-0279779-x