[數撚圍爐區] 喪屍奶媽是真的嗎? (6)

Topology 學咩架？睇下 function 啲 graph 係點？

topology is the study of topological properties, i.e. properties that are invariant under homeomorphisms (bijective continuous function, which inverse is also continuous)
e.g. compactness, connectedness

對我太難了。
原來 Tutor 同 Lecturer 消化哂深奧內容，然後深入淺出其實不易。