{"author_name":"derwind","blog_url":"https://randommemory.hatenablog.com/","title":"Galois\u7406\u8ad6(41)\u2015\u30ac\u30ed\u30a2\u62e1\u5927","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F09%2F19%2F134527\" title=\"Galois\u7406\u8ad6(41)\u2015\u30ac\u30ed\u30a2\u62e1\u5927 - \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>","height":"190","author_url":"https://blog.hatena.ne.jp/derwind/","published":"2016-09-19 13:45:27","provider_url":"https://hatena.blog","type":"rich","image_url":null,"url":"https://randommemory.hatenablog.com/entry/2016/09/19/134527","provider_name":"Hatena Blog","width":"100%","description":"\u30ac\u30ed\u30a2\u62e1\u5927... \u304d\u305f\u304b\u2026!! ( \uff9f\u0434\uff9f) \uff76\uff9e\uff80\uff6f / \u30fe \uff3f_L| /\uffe3\uffe3\uffe3/\uff3f \uff3c/ / Def \u30ac\u30ed\u30a2\u62e1\u5927\u3068\u306f\u6b63\u898f\u304b\u3064\u5206\u96e2\u62e1\u5927\u306e\u3053\u3068\u3092\u8a00\u3046\u3002 Theorem $L/K$: \u6709\u9650\u6b21\u62e1\u5927\u3068\u3059\u308b\u3002\u3053\u306e\u6642\u3001\u4ee5\u4e0b\u304c\u6210\u7acb\u3059\u308b\u3002 $\\#(\\mathrm{Aut}(L/K)) \\leq [L:K]$\u7b49\u53f7\u306f\u3001 $L$ \u304c\u30ac\u30ed\u30a2\u62e1\u5927\u306e\u6642\u306e\u307f\u306b\u6210\u7acb\u3059\u308b${}_\\square$\u300c\u4f53\u3068\u30ac\u30ed\u30a2\u7406\u8ad6\u300d\u00a73.1 \u5b9a\u74063.3\u3067\u3042\u308b\u3002\u6216\u306fE. Artin\u306e\u300c\u30ac\u30ed\u30a2\u7406\u8ad6\u5165\u9580\u300d\u306e\u7b2c2\u7ae0\u5b9a\u740613\u3068\u305d\u306e\u7cfb\u304c\u76f8\u5f53\u3059\u308b\u3002 Galois\u7406\u8ad6(42)\u2015\u30ac\u30ed\u30a2\u7fa4\u3068Artin\u306e\u5b9a\u7406 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u5c0e\u5165\u3059\u308b\u8a18\u53f7\u3068\u7528\u8a9e\u3092\u7528\u3044\u308b\u3068\u3001\u30ac\u30ed\u30a2\u2026","version":"1.0","categories":["math-alg"],"blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6"}