##### 拓扑基础 [^1] >[!cite] 学习空间在连续形变下保持不变的性质 - [[拓扑空间]] - [[开集]] [[闭集]] [[邻域]] [[极限点]] [[内点]] - [[稠密集]] [[无处稠密集]] - [[可数性公理]] - [[分离公理]] - [[连通空间]] - [[紧致空间]] - [[连续映射]] - [[映射极限]] - [[同胚]] [^1]: _Topology_, James Munkres