由几何到拓扑原著为 Flegg H G .From Geometry to Topology . 1974. 从2025.5到2025.10.18,用近半年的时间终于读完了,并做了简单翻译。 里面有内容是以前就知道的,也有很多内容完全是新的。学习过程中接触了许多新知识,这些知识十分有趣。 全书从直观几何出发介绍拓扑学概念,比较直观,易于理解。但也有些 ...
Fundamental definitions do not arise at the start but at the end of the exploration, because in order to define a thing you must know what it is and what it is good for. & ...
Very early in our mathematical education—in fact in junior high school or early in high school itself—we are introduced to polynomials. For a seemingly endless amount of time we are drilled, to the point of utter boredom, in factoring them, multiplying them, dividing them, simplifying them. ...