{"published":"2002-11-13 00:00:00","author_url":"https://blog.hatena.ne.jp/ita/","url":"https://ita.hatenadiary.jp/entry/20021113/p1","blog_url":"https://ita.hatenadiary.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fita.hatenadiary.jp%2Fentry%2F20021113%2Fp1\" title=\" - ita\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":["SF","J","SF","J"],"blog_title":"ita\u2019s diary","provider_url":"https://hatena.blog","title":"","width":"100%","height":"190","type":"rich","author_name":"ita","description":"\u25cf\u30b0\u30ec\u30c3\u30b0\u30fb\u30a4\u30fc\u30ac\u30f3\u300eSchild's Ladder\u300f ISBN:0575073918 \u3010\u30a2\u30de\u30be\u30f3\u3011\uff08\u4f5c\u8005\u306e\u30b5\u30a4\u30c8\uff09\u56db\u6b21\u5143\u56de\u8ee2\uff1d\u56db\u6b21\u5143\u7403\u9762\u00d7\u4e09\u6b21\u5143\u56de\u8ee2\u3001SO(4)=S(4)\u00d7SO(3) \u3068\u3044\u3046\u5b9a\u7406\u306e\u8aac\u660e\u304c\u3042\u3063\u305f\u3002\u6570\u4e07\u5e74\u5f8c\u306e\u5b50\u4f9b\u306f\u305d\u3046\u3044\u3046\u3053\u3068\u3092\u8003\u3048\u3066\u904a\u3076\u3089\u3057\u3044\u3002\u3044\u3084\u306f\u3084\u3002 11/14\u8ffd\u8a18\uff1a SO(n)=S(n)\u00d7SO(n-1)\u3067\u4e00\u822c\u306en\u306b\u3064\u3044\u3066\u3082\u306a\u308a\u305f\u3061\u305d\u3046\u306a\u8aac\u660e\u3060\u3063\u305f\u3051\u3069\u3001\u3053\u306e\u8a18\u4e8b\u306b\u3088\u308b\u3068 n\u306b\u3088\u3063\u3066\u306f\u6210\u308a\u7acb\u305f\u306a\u3044\u3089\u3057\u3044\u3002\u3046\u30fc\u3093\u3001\u4e0d\u601d\u8b70\u3060\u3002 \u3057\u3064\u3053\u304f\u8ffd\u8a18\uff1a\u3046\u30fc\u3093\u3001\u30a4\u30b3\u30fc\u30eb\u3066\u306e\u306f\u7fa4\u304c isomorphic (\u6f14\u7b97\u898f\u5247\u304c\u540c\u3058)\u3060\u3068\u3044\u3046\u610f\u5473\u3060\u3068\u601d\u3063\u3066\u305f\u3051\u3069\u3001\u305d\u3082\u305d\u3082 n\u6b21\u5143\u7403\u9762S(n)\u3066\u7fa4\u3058\u3083\u306a\u3044\u3058\u2026","version":"1.0","provider_name":"Hatena Blog"}