{"url":"https://randommemory.hatenablog.com/entry/2016/09/01/011847","width":"100%","categories":["math-alg"],"version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","blog_url":"https://randommemory.hatenablog.com/","description":"\u9591\u8a71\u4f11\u984c\u7684\u306a\u30fc\u3002$A$: \u74b0\u3002 $M,N: A$-\u52a0\u7fa4\u306e\u8a71\u306b\u623b\u308b\u3002 $A$ \u306f\u305d\u308c\u81ea\u4f53 $A$-\u52a0\u7fa4\u3067\u3042\u308b\u306e\u3067\u3001\\begin{matrix} A \\times M & \\overset{f}{\\longrightarrow} & M \\\\ \\varphi \\searrow & \\backquad\\backquad \\circlearrowleft & \\backquad \\nearrow \\tilde{f} \\\\ & \\backquad\\backquad A \\otimes_A M & \\end{matrix}\u3068\u3044\u3063\u305f\u69cb\u56f3\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002 $f(a,m) = am$ \u3092\u8003\u3048\u308c\u3070\u826f\u3044\u3002 $\u2026","image_url":null,"blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F09%2F01%2F011847\" title=\"\u98fd\u304d\u305f\u3089\u3084\u3081\u3088\u3046Galois\u7406\u8ad6(23)\u2015A-\u52a0\u7fa4\u306e\u57fa\u5e95 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/derwind/","title":"\u98fd\u304d\u305f\u3089\u3084\u3081\u3088\u3046Galois\u7406\u8ad6(23)\u2015A-\u52a0\u7fa4\u306e\u57fa\u5e95","published":"2016-09-01 01:18:47","author_name":"derwind"}