derwind https://blog.hatena.ne.jp/derwind/ らんだむな記憶 https://randommemory.hatenablog.com/ math-functional-ncg math-category Amazon | Basic Noncommutative Geometry (Ems Series of Lectures in Mathematics) | Khalkhali, Masoud | Geometry & Topologyより。Category Theoryの動機:―――― 函数解析における有名なGelfand-Naimarkの定理によると、局所コンパクトHausdorff空間とproperな連続写像のなすcategoryと可換 $C^*$ -代数と proper な $C^*$ -準同型写像のなすopposite category (逆圏・反対圏) とは同等である: \be… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F22%2F020343" title="非可換幾何とGelfand duality - らんだむな記憶" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2016-01-22 02:03:43 rich https://randommemory.hatenablog.com/entry/2016/01/22/020343 1.0 100%