{"description":"\u30d7\u30e9\u30ac\u30fc\u306e\u300e\u9023\u7d9a\u4f53\u529b\u5b66\u5165\u9580\u300f\u3068\u3044\u3046\u672c\u3067\u6b21\u306e\u3088\u3046\u306a\u516c\u5f0f\u3092\u898b\u304b\u3051\u305f\u3002 Levi-Civit\u00e0\uff08\u30ec\u30f4\u30a3\uff1d\u30c1\u30f4\u30a3\u30bf\uff09\u306e\u30a8\u30d7\u30b7\u30ed\u30f3\uff08Ricci\uff08\u30ea\u30c3\u30c1\uff09\u306e\u540d\u3082\u4ed8\u3051\u3066\u547c\u3076\u3053\u3068\u304c\u3042\u308b\u3002\u307e\u305f\uff0c\u65e5\u672c\u306e\u7269\u7406\u95a2\u9023\u306e\u6587\u732e\u3067\u306f Eddington\uff08\u30a8\u30c7\u30a3\u30f3\u30c8\u30f3\uff09\u306e\u30a8\u30d7\u30b7\u30ed\u30f3\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308b\u3002\uff09\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u95a2\u6570\u3067\u3042\u308b\u3002 (i,j,k) \u304c (1,2,3) \u306e\u5076\u7f6e\u63db\u3067\u3042\u308b\u3068\u304d\uff0c\u3064\u307e\u308a (i,j,k)=(1,2,3,), (2,3,1), (3,1,2) \u306e\u3044\u305a\u308c\u304b\u306e\u3068\u304d\uff0c\u03b5(i,j,k):=1\uff1b (i,j,k) \u304c (1,2,3) \u306e\u5947\u7f6e\u63db\u3067\u3042\u308b\u3068\u304d\uff0c\u3064\u307e\u308a (i,j,k)=(1,3,2,), (3,2,\u2026","provider_name":"Hatena Blog","width":"100%","image_url":null,"blog_url":"https://iek.hatenablog.com/","author_name":"Iek","blog_title":"\u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002","title":"Ricci-Levi-Civita \u306e\u8a18\u53f7\u3068\u30b9\u30ab\u30e9\u30fc\u4e09\u91cd\u7a4d\u3002","type":"rich","categories":["mathematics"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiek.hatenablog.com%2Fentry%2F2012%2F03%2F16%2F235903\" title=\"Ricci-Levi-Civita \u306e\u8a18\u53f7\u3068\u30b9\u30ab\u30e9\u30fc\u4e09\u91cd\u7a4d\u3002 - \u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/Iek/","published":"2012-03-16 23:59:03","version":"1.0","provider_url":"https://hatena.blog","url":"https://iek.hatenablog.com/entry/2012/03/16/235903","height":"190"}