{"author_name":"derwind","description":"\u4ee5\u4e0b\u306e\u88dc\u984c\u306f\u300c\u4f53\u3068\u30ac\u30ed\u30a2\u7406\u8ad6\u300d\u00a73.3 \u88dc\u984c3.2\u304c\u76f8\u5f53\u3059\u308b\u3002 Lemma $K \\subset L_1,L_2 \\subset \\bar{K}$ \u3068\u3057\u3001 $L_1/K$: \u6709\u9650\u6b21\u30ac\u30ed\u30a2\u62e1\u5927\u3068\u3059\u308b\u3002 $K^\\prime = L_1 \\cap L_2$ \u3068\u304a\u304f\u3002 \u3053\u306e\u6642\u3001 $L_1 L_2 / L_2$: \u6709\u9650\u6b21\u30ac\u30ed\u30a2\u62e1\u5927\u3067\u3042\u308a\u3001 $\\mathrm{Gal}(L_1 L_2/L_2)$ \u306f $L_1$ \u3092\u56fa\u5b9a(stabilize)\u3059\u308b\u3002*1 \u5199\u50cf \\begin{array}{cccc} \\varphi: & \\mathrm{Gal}(L_1 L_2/L_2) & \\to & \\mathrm{Ga\u2026","published":"2016-10-18 02:10:37","provider_url":"https://hatena.blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","blog_url":"https://randommemory.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/derwind/","url":"https://randommemory.hatenablog.com/entry/2016/10/18/021037","categories":["math-alg"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F10%2F18%2F021037\" title=\"Galois\u7406\u8ad6(65)\u2015\u30ac\u30ed\u30a2\u62e1\u5927\u306b\u304a\u3051\u308b\u7dda\u578b\u7121\u95a2\u9023\u6027(1) - \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","provider_name":"Hatena Blog","type":"rich","width":"100%","version":"1.0","image_url":null,"title":"Galois\u7406\u8ad6(65)\u2015\u30ac\u30ed\u30a2\u62e1\u5927\u306b\u304a\u3051\u308b\u7dda\u578b\u7121\u95a2\u9023\u6027(1)"}