{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F23%2F172759\" title=\"\u570f\u8ad6(12)\u3068\u7d9a\u3005 isomorphism - \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_name":"derwind","published":"2016-01-23 17:27:59","image_url":null,"provider_name":"Hatena Blog","version":"1.0","description":"\u7fa4\u306e\u5b9a\u7fa9\u306f\u3055\u3089\u3063\u3068\u6d41\u305d\u3046\u3068\u601d\u3063\u305f\u304c\u307c\u3061\u307c\u3061\u8208\u5473\u6df1\u3044\u306e\u3067\u4e00\u5fdc\u89e6\u308c\u3066\u307f\u308b\u3002 Denifition 1.4. \u7fa4 $G$ \u3068\u306f\u30e2\u30ce\u30a4\u30c9\u3067\u3042\u3063\u3066\u3059\u3079\u3066\u306e\u5143 $g$ \u306b\u5bfe\u3057\u3066\u9006 $g^{-1}$ \u3092\u6301\u3064\u3088\u3046\u306a\u3082\u306e\u3092\u8a00\u3046\u3002 \u6545\u306b $G$ \u306f\u552f1\u3064\u306e object \u3092\u6301\u3064 category \u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e arrow \u306f isomorphism \u3067\u3042\u308b\u3002\u2015\u2015\u2015 \u30e2\u30ce\u30a4\u30c9\u3092 category \u3068\u898b\u305f\u6642\u306e arrows \u306f\u30e2\u30ce\u30a4\u30c9\u306e\u5143 $x,y,z, \\cdots$ \u3067\u3042\u3063\u305f\u3002\u305d\u3057\u3066 identity arrow \u306f\u5358\u4f4d\u5143 $u$ \u3067\u3042\u3063\u305f\u3002\u4eca\u56de\u3001\u7fa4\u306e\u5b9a\u7fa9\u3088\u308a\u3001$x^{-1},y^{-1},z^{-1}, \\\u2026","author_url":"https://blog.hatena.ne.jp/derwind/","blog_url":"https://randommemory.hatenablog.com/","provider_url":"https://hatena.blog","width":"100%","type":"rich","title":"\u570f\u8ad6(12)\u3068\u7d9a\u3005 isomorphism","url":"https://randommemory.hatenablog.com/entry/2016/01/23/172759","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","height":"190","categories":["math-category"]}