General Topology - General Topology

Japanese: 一般位相幾何学 - いっぱんいそうきかがく
General Topology - General Topology

...The basic concepts that define topology are neighborhood, open set, closure, etc. The field that studies the topological properties of topological spaces and their subsets using set-theoretic methods based on these concepts is called set-theoretic topology or general topology. This field is a successor to Cantor's point set theory, and the problem of dimension belongs to this field. ...

*Some of the terminology that refers to "general topology" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…位相を定める基本的諸概念は近傍,開集合,閉包などである。これらの概念を基礎に集合論的手法で位相空間およびその部分集合の位相的性質を研究する分野を集合論的位相幾何学あるいは一般位相幾何学general topologyという。この分野はカントールによる点集合論の流れをくむ分野であり,次元の問題はこの分野に属している。…

※「一般位相幾何学」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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