{"author_name":"ccbh","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fccbh.hatenablog.jp%2Fentry%2F2022%2F02%2F21%2F233912\" title=\"\u30b7\u30e5\u30f4\u30a1\u30eb\u30c4\u30b7\u30eb\u30c8\u8a08\u91cf\u30c6\u30f3\u30bd\u30eb\u306e\u30ea\u30fc\u30de\u30f3\u30c6\u30f3\u30bd\u30eb - \u9ed2\u6d1e\u3072\u304b\u308a\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u30ea\u30fc\u30de\u30f3\u30c6\u30f3\u30bd\u30eb\u306f $$ R^ n _ {\\, ijk} = \\partial _ j\\Gamma^ n _ {\\, ki} - \\partial _ k \\Gamma^ n _ {\\, ji} + \\Gamma^ n _ {\\, jm}\\Gamma^ m _ {\\, ki} - \\Gamma^ n _ {\\, km}\\Gamma^ m _ {\\, ji} $$ \u3067\u3042\u308b\uff0e\u3053\u308c\u30924\u968e\u5171\u5909\u7248\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\uff0e $$ R _ {nijk} = g _ {nm} R^ m _ {\\, ijk} $$ 4\u6b21\u5143\u6642\u7a7a\u306b\u304a\u3051\u308b\u30ea\u30fc\u30de\u30f3\u30c6\u30f3\u30bd\u30eb\u306e\u72ec\u7acb\u306a\u6210\u5206\u306f\u4e0b\u8a18\u306e\u8868\u306e20\u500b\u3067\u3042\u308b\uff0e 0101 1013 2323\u2026","height":"190","provider_name":"Hatena Blog","title":"\u30b7\u30e5\u30f4\u30a1\u30eb\u30c4\u30b7\u30eb\u30c8\u8a08\u91cf\u30c6\u30f3\u30bd\u30eb\u306e\u30ea\u30fc\u30de\u30f3\u30c6\u30f3\u30bd\u30eb","width":"100%","categories":[],"author_url":"https://blog.hatena.ne.jp/ccbh/","published":"2022-02-21 23:39:12","image_url":null,"blog_title":"\u9ed2\u6d1e\u3072\u304b\u308a\u306e\u30d6\u30ed\u30b0","version":"1.0","blog_url":"https://ccbh.hatenablog.jp/","provider_url":"https://hatena.blog","type":"rich","url":"https://ccbh.hatenablog.jp/entry/2022/02/21/233912"}