{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F09%2F17%2F233440\" title=\"\u98fd\u304d\u305f\u3089\u3084\u3081\u3088\u3046Galois\u7406\u8ad6(37)\u2015\u5206\u96e2\u6027\u3068\u4fc2\u6570\u62e1\u5927\u306e\u88ab\u7d04\u6027 - \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>","provider_name":"Hatena Blog","height":"190","description":"\u3055\u3089\u306b\u7d9a\u304d\u3002 $E = \\bar{K}$ ($K$ \u306e\u4ee3\u6570\u7684\u9589\u5305) \u3068\u3059\u308b\u6642\u3001 $K \\subset E = \\bar{K} \\subset A/m_i$ \u3068\u306a\u308b\u304c\u3001\u4ee3\u6570\u9589\u4f53\u306f\u81ea\u660e\u3067\u306a\u3044\u6709\u9650\u6b21\u62e1\u5927\u3092\u6301\u305f\u306a\u3044\u306e\u3067 $A/m_i = E = \\bar{K}$ \u3068\u306a\u308b\u3002 \u3053\u306e\u6642\u3001 $A = \\bar{K} \\otimes_K L$ \u3068\u306a\u308b\u3002\u66f4\u306b $A_\\mathrm{red} \\simeq A/m_1 \\times \\cdots \\times A/m_r = \\prod_{i=1}^r \\bar{K} = \\bar{K}^r$ \u3068\u306a\u308b\u3002\u3053\u306e\u6642\u3001 $A = A_\\mathrm{red}$ $\\iff$\u2026","title":"\u98fd\u304d\u305f\u3089\u3084\u3081\u3088\u3046Galois\u7406\u8ad6(37)\u2015\u5206\u96e2\u6027\u3068\u4fc2\u6570\u62e1\u5927\u306e\u88ab\u7d04\u6027","image_url":null,"blog_url":"https://randommemory.hatenablog.com/","published":"2016-09-17 23:34:40","author_url":"https://blog.hatena.ne.jp/derwind/","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","url":"https://randommemory.hatenablog.com/entry/2016/09/17/233440","categories":["math-alg"],"version":"1.0","author_name":"derwind","provider_url":"https://hatena.blog","width":"100%","type":"rich"}