A Note on Kuratowski’s Theorem and Its Related Topics

Author: K. P. Shum

ABSTRACT
In point set topology, it is well known that the Kuratowski 14-set problem is one of the most interesting results. In this note, we first give a brief survey of the Kuratowski’s theorem. In particular, we will study and investigate the structure of the boundary of a given subset in a topological space. Some new results and topics which are related to the theorem of Kuratowski are presented and discussed. Finally, we pose some open problems of Kuratowskitype.

Source:

Journal: Advances in Pure Mathematics
DOI: 10.4236/apm.2017.78025 (PDF)
Paper Id: 78128 (metadata)

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