Author:
Mirmiran Majid,Naderi Binesh
Abstract
Necessary and sufficient conditions in terms of lower cut sets are given for the insertion of a contra-α-continuous function between two comparable real-valued functions.
Reference25 articles.
1. A. Al-Omari and M. S. Md Noorani, Some properties of contra-b-continuous and almost contra-b-continuous functions, European J. Pure. Appl. Math. 2(2) (2009), 213-230.
2. F. Brooks, Indefinite cut sets for real functions, Amer. Math. Monthly 78 (1971), 1007-1010. https://doi.org/10.1080/00029890.1971.11992929
3. M. Caldas and S. Jafari, Some properties of contra--continuous functions, Mem. Fac. Sci. Kochi. Univ. 22 (2001), 19-28.
4. H. H. Corson and E. Michael, Metrizability of certain countable unions, Illinois J. Math. 8 (1964), 351-360. https://doi.org/10.1215/ijm/1256059678
5. J. Dontchev, Characterization of some peculiar topological space via - and -sets, Acta Math. Hungar. 69(1-2) (1995), 67-71. https://doi.org/10.1007/BF01874608
Cited by
3 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献